Home / 21,009,385.59-28,992,952.17-11,351,593.59

Finding the Fourth Proportional to 21,009,385.59, 28,992,952.17 and 11,351,593.59

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Solution

The fourth proportional to 21,009,385.59, 28,992,952.17 and 11,351,593.59 is: 15,665,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,009,385.59 : 28,992,952.17 = 11,351,593.59 : x
  2. Step 2: Convert to fraction form
    21,009,385.59/28,992,952.17 = 11,351,593.59/x
  3. Step 3: Cross multiply
    21,009,385.59x = 28,992,952.17 × 11,351,593.59
  4. Step 4: Simplify right side
    21,009,385.59x = 329,116,210,008,148.62
  5. Step 5: Solve for x
    x = 329,116,210,008,148.62/21,009,385.59
  6. Step 6: Final answer
    x = 15,665,199.18

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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.