Home / 30,940,267.79-42,695,069.95-17,888,367.82

Finding the Fourth Proportional to 30,940,267.79, 42,695,069.95 and 17,888,367.82

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Solution

The fourth proportional to 30,940,267.79, 42,695,069.95 and 17,888,367.82 is: 24,684,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940,267.79 : 42,695,069.95 = 17,888,367.82 : x
  2. Step 2: Convert to fraction form
    30,940,267.79/42,695,069.95 = 17,888,367.82/x
  3. Step 3: Cross multiply
    30,940,267.79x = 42,695,069.95 × 17,888,367.82
  4. Step 4: Simplify right side
    30,940,267.79x = 763,745,115,366,229.12
  5. Step 5: Solve for x
    x = 763,745,115,366,229.12/30,940,267.79
  6. Step 6: Final answer
    x = 24,684,502.43

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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.