Home / 19,761,520.45-29,642,280.68-16,402,288.45

Finding the Fourth Proportional to 19,761,520.45, 29,642,280.68 and 16,402,288.45

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Solution

The fourth proportional to 19,761,520.45, 29,642,280.68 and 16,402,288.45 is: 24,603,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761,520.45 : 29,642,280.68 = 16,402,288.45 : x
  2. Step 2: Convert to fraction form
    19,761,520.45/29,642,280.68 = 16,402,288.45/x
  3. Step 3: Cross multiply
    19,761,520.45x = 29,642,280.68 × 16,402,288.45
  4. Step 4: Simplify right side
    19,761,520.45x = 486,201,238,029,222.12
  5. Step 5: Solve for x
    x = 486,201,238,029,222.12/19,761,520.45
  6. Step 6: Final answer
    x = 24,603,432.68

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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.