Home / 28,787,695.45-39,726,962.12-16,397,784.18

Finding the Fourth Proportional to 28,787,695.45, 39,726,962.12 and 16,397,784.18

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Solution

The fourth proportional to 28,787,695.45, 39,726,962.12 and 16,397,784.18 is: 22,628,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787,695.45 : 39,726,962.12 = 16,397,784.18 : x
  2. Step 2: Convert to fraction form
    28,787,695.45/39,726,962.12 = 16,397,784.18/x
  3. Step 3: Cross multiply
    28,787,695.45x = 39,726,962.12 × 16,397,784.18
  4. Step 4: Simplify right side
    28,787,695.45x = 651,434,151,011,789.75
  5. Step 5: Solve for x
    x = 651,434,151,011,789.75/28,787,695.45
  6. Step 6: Final answer
    x = 22,628,909.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.