Home / 27,388,561-37,795,752.16-15,165,155.56

Finding the Fourth Proportional to 27,388,561, 37,795,752.16 and 15,165,155.56

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Solution

The fourth proportional to 27,388,561, 37,795,752.16 and 15,165,155.56 is: 20,927,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388,561 : 37,795,752.16 = 15,165,155.56 : x
  2. Step 2: Convert to fraction form
    27,388,561/37,795,752.16 = 15,165,155.56/x
  3. Step 3: Cross multiply
    27,388,561x = 37,795,752.16 × 15,165,155.56
  4. Step 4: Simplify right side
    27,388,561x = 573,178,461,013,606
  5. Step 5: Solve for x
    x = 573,178,461,013,606/27,388,561
  6. Step 6: Final answer
    x = 20,927,658.85

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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.