Home / 27,687,499.23-38,209,149.80-15,297,877.71

Finding the Fourth Proportional to 27,687,499.23, 38,209,149.80 and 15,297,877.71

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Solution

The fourth proportional to 27,687,499.23, 38,209,149.80 and 15,297,877.71 is: 21,111,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687,499.23 : 38,209,149.80 = 15,297,877.71 : x
  2. Step 2: Convert to fraction form
    27,687,499.23/38,209,149.80 = 15,297,877.71/x
  3. Step 3: Cross multiply
    27,687,499.23x = 38,209,149.80 × 15,297,877.71
  4. Step 4: Simplify right side
    27,687,499.23x = 584,518,900,890,670
  5. Step 5: Solve for x
    x = 584,518,900,890,670/27,687,499.23
  6. Step 6: Final answer
    x = 21,111,292.72

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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.