Home / 19,761,521.20-29,642,281.80-16,402,289.20

Finding the Fourth Proportional to 19,761,521.20, 29,642,281.80 and 16,402,289.20

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Solution

The fourth proportional to 19,761,521.20, 29,642,281.80 and 16,402,289.20 is: 24,603,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761,521.20 : 29,642,281.80 = 16,402,289.20 : x
  2. Step 2: Convert to fraction form
    19,761,521.20/29,642,281.80 = 16,402,289.20/x
  3. Step 3: Cross multiply
    19,761,521.20x = 29,642,281.80 × 16,402,289.20
  4. Step 4: Simplify right side
    19,761,521.20x = 486,201,278,631,496.56
  5. Step 5: Solve for x
    x = 486,201,278,631,496.56/19,761,521.20
  6. Step 6: Final answer
    x = 24,603,433.80

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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.