Home / 10,079,287.20-15,118,930.80-7,244,935.20

Finding the Fourth Proportional to 10,079,287.20, 15,118,930.80 and 7,244,935.20

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Solution

The fourth proportional to 10,079,287.20, 15,118,930.80 and 7,244,935.20 is: 10,867,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079,287.20 : 15,118,930.80 = 7,244,935.20 : x
  2. Step 2: Convert to fraction form
    10,079,287.20/15,118,930.80 = 7,244,935.20/x
  3. Step 3: Cross multiply
    10,079,287.20x = 15,118,930.80 × 7,244,935.20
  4. Step 4: Simplify right side
    10,079,287.20x = 109,535,673,939,284.17
  5. Step 5: Solve for x
    x = 109,535,673,939,284.17/10,079,287.20
  6. Step 6: Final answer
    x = 10,867,402.80

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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.