Home / 8,526,015.40-12,789,023.10-7,431,154.60

Finding the Fourth Proportional to 8,526,015.40, 12,789,023.10 and 7,431,154.60

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Solution

The fourth proportional to 8,526,015.40, 12,789,023.10 and 7,431,154.60 is: 11,146,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526,015.40 : 12,789,023.10 = 7,431,154.60 : x
  2. Step 2: Convert to fraction form
    8,526,015.40/12,789,023.10 = 7,431,154.60/x
  3. Step 3: Cross multiply
    8,526,015.40x = 12,789,023.10 × 7,431,154.60
  4. Step 4: Simplify right side
    8,526,015.40x = 95,037,207,839,071.25
  5. Step 5: Solve for x
    x = 95,037,207,839,071.25/8,526,015.40
  6. Step 6: Final answer
    x = 11,146,731.90

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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.