Home / 8,807,572.20-13,211,358.30-7,687,828.20

Finding the Fourth Proportional to 8,807,572.20, 13,211,358.30 and 7,687,828.20

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Solution

The fourth proportional to 8,807,572.20, 13,211,358.30 and 7,687,828.20 is: 11,531,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807,572.20 : 13,211,358.30 = 7,687,828.20 : x
  2. Step 2: Convert to fraction form
    8,807,572.20/13,211,358.30 = 7,687,828.20/x
  3. Step 3: Cross multiply
    8,807,572.20x = 13,211,358.30 × 7,687,828.20
  4. Step 4: Simplify right side
    8,807,572.20x = 101,566,652,899,044.06
  5. Step 5: Solve for x
    x = 101,566,652,899,044.06/8,807,572.20
  6. Step 6: Final answer
    x = 11,531,742.30

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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.