Home / 19,787,441.20-29,681,161.80-16,428,209.20

Finding the Fourth Proportional to 19,787,441.20, 29,681,161.80 and 16,428,209.20

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Solution

The fourth proportional to 19,787,441.20, 29,681,161.80 and 16,428,209.20 is: 24,642,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787,441.20 : 29,681,161.80 = 16,428,209.20 : x
  2. Step 2: Convert to fraction form
    19,787,441.20/29,681,161.80 = 16,428,209.20/x
  3. Step 3: Cross multiply
    19,787,441.20x = 29,681,161.80 × 16,428,209.20
  4. Step 4: Simplify right side
    19,787,441.20x = 487,608,335,349,448.56
  5. Step 5: Solve for x
    x = 487,608,335,349,448.56/19,787,441.20
  6. Step 6: Final answer
    x = 24,642,313.80

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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.