Home / 9,360,140.40-12,916,761.90-5,229,918

Finding the Fourth Proportional to 9,360,140.40, 12,916,761.90 and 5,229,918

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Solution

The fourth proportional to 9,360,140.40, 12,916,761.90 and 5,229,918 is: 7,217,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360,140.40 : 12,916,761.90 = 5,229,918 : x
  2. Step 2: Convert to fraction form
    9,360,140.40/12,916,761.90 = 5,229,918/x
  3. Step 3: Cross multiply
    9,360,140.40x = 12,916,761.90 × 5,229,918
  4. Step 4: Simplify right side
    9,360,140.40x = 67,553,605,562,524.20
  5. Step 5: Solve for x
    x = 67,553,605,562,524.20/9,360,140.40
  6. Step 6: Final answer
    x = 7,217,157.29

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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.