Home / 8,534,437.60-12,801,656.40-7,885,631.20

Finding the Fourth Proportional to 8,534,437.60, 12,801,656.40 and 7,885,631.20

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Solution

The fourth proportional to 8,534,437.60, 12,801,656.40 and 7,885,631.20 is: 11,828,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534,437.60 : 12,801,656.40 = 7,885,631.20 : x
  2. Step 2: Convert to fraction form
    8,534,437.60/12,801,656.40 = 7,885,631.20/x
  3. Step 3: Cross multiply
    8,534,437.60x = 12,801,656.40 × 7,885,631.20
  4. Step 4: Simplify right side
    8,534,437.60x = 100,949,141,119,519.69
  5. Step 5: Solve for x
    x = 100,949,141,119,519.69/8,534,437.60
  6. Step 6: Final answer
    x = 11,828,446.80

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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.