Home / 8,534,428.60-12,801,642.90-7,885,622.20

Finding the Fourth Proportional to 8,534,428.60, 12,801,642.90 and 7,885,622.20

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Solution

The fourth proportional to 8,534,428.60, 12,801,642.90 and 7,885,622.20 is: 11,828,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534,428.60 : 12,801,642.90 = 7,885,622.20 : x
  2. Step 2: Convert to fraction form
    8,534,428.60/12,801,642.90 = 7,885,622.20/x
  3. Step 3: Cross multiply
    8,534,428.60x = 12,801,642.90 × 7,885,622.20
  4. Step 4: Simplify right side
    8,534,428.60x = 100,948,919,448,712.39
  5. Step 5: Solve for x
    x = 100,948,919,448,712.39/8,534,428.60
  6. Step 6: Final answer
    x = 11,828,433.30

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Similar ratio
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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.