Home / 10,388,754.76-15,583,132.28-2,815,720.52

Finding the Fourth Proportional to 10,388,754.76, 15,583,132.28 and 2,815,720.52

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Solution

The fourth proportional to 10,388,754.76, 15,583,132.28 and 2,815,720.52 is: 4,223,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,754.76 : 15,583,132.28 = 2,815,720.52 : x
  2. Step 2: Convert to fraction form
    10,388,754.76/15,583,132.28 = 2,815,720.52/x
  3. Step 3: Cross multiply
    10,388,754.76x = 15,583,132.28 × 2,815,720.52
  4. Step 4: Simplify right side
    10,388,754.76x = 43,877,745,326,670.38
  5. Step 5: Solve for x
    x = 43,877,745,326,670.38/10,388,754.76
  6. Step 6: Final answer
    x = 4,223,580.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.