Home / 19,787,440.70-29,681,161.05-16,428,208.70

Finding the Fourth Proportional to 19,787,440.70, 29,681,161.05 and 16,428,208.70

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Solution

The fourth proportional to 19,787,440.70, 29,681,161.05 and 16,428,208.70 is: 24,642,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787,440.70 : 29,681,161.05 = 16,428,208.70 : x
  2. Step 2: Convert to fraction form
    19,787,440.70/29,681,161.05 = 16,428,208.70/x
  3. Step 3: Cross multiply
    19,787,440.70x = 29,681,161.05 × 16,428,208.70
  4. Step 4: Simplify right side
    19,787,440.70x = 487,608,308,187,711.12
  5. Step 5: Solve for x
    x = 487,608,308,187,711.12/19,787,440.70
  6. Step 6: Final answer
    x = 24,642,313.05

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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.