Home / 15,509,306.87-21,403,001.88-8,540,632.46

Finding the Fourth Proportional to 15,509,306.87, 21,403,001.88 and 8,540,632.46

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Solution

The fourth proportional to 15,509,306.87, 21,403,001.88 and 8,540,632.46 is: 11,786,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509,306.87 : 21,403,001.88 = 8,540,632.46 : x
  2. Step 2: Convert to fraction form
    15,509,306.87/21,403,001.88 = 8,540,632.46/x
  3. Step 3: Cross multiply
    15,509,306.87x = 21,403,001.88 × 8,540,632.46
  4. Step 4: Simplify right side
    15,509,306.87x = 182,795,172,490,754
  5. Step 5: Solve for x
    x = 182,795,172,490,754/15,509,306.87
  6. Step 6: Final answer
    x = 11,786,160.01

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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.