Home / 19,761,519.45-29,642,279.18-16,402,287.45

Finding the Fourth Proportional to 19,761,519.45, 29,642,279.18 and 16,402,287.45

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Solution

The fourth proportional to 19,761,519.45, 29,642,279.18 and 16,402,287.45 is: 24,603,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761,519.45 : 29,642,279.18 = 16,402,287.45 : x
  2. Step 2: Convert to fraction form
    19,761,519.45/29,642,279.18 = 16,402,287.45/x
  3. Step 3: Cross multiply
    19,761,519.45x = 29,642,279.18 × 16,402,287.45
  4. Step 4: Simplify right side
    19,761,519.45x = 486,201,183,701,498.88
  5. Step 5: Solve for x
    x = 486,201,183,701,498.88/19,761,519.45
  6. Step 6: Final answer
    x = 24,603,431.18

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.