Home / 8,764,599.10-13,146,898.65-7,420,906.30

Finding the Fourth Proportional to 8,764,599.10, 13,146,898.65 and 7,420,906.30

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Solution

The fourth proportional to 8,764,599.10, 13,146,898.65 and 7,420,906.30 is: 11,131,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,599.10 : 13,146,898.65 = 7,420,906.30 : x
  2. Step 2: Convert to fraction form
    8,764,599.10/13,146,898.65 = 7,420,906.30/x
  3. Step 3: Cross multiply
    8,764,599.10x = 13,146,898.65 × 7,420,906.30
  4. Step 4: Simplify right side
    8,764,599.10x = 97,561,903,017,246.50
  5. Step 5: Solve for x
    x = 97,561,903,017,246.50/8,764,599.10
  6. Step 6: Final answer
    x = 11,131,359.45

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Similar ratio
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1.5x scale

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.