Home / 12,436,842.60-18,655,263.90-4,347,129.60

Finding the Fourth Proportional to 12,436,842.60, 18,655,263.90 and 4,347,129.60

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Solution

The fourth proportional to 12,436,842.60, 18,655,263.90 and 4,347,129.60 is: 6,520,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,842.60 : 18,655,263.90 = 4,347,129.60 : x
  2. Step 2: Convert to fraction form
    12,436,842.60/18,655,263.90 = 4,347,129.60/x
  3. Step 3: Cross multiply
    12,436,842.60x = 18,655,263.90 × 4,347,129.60
  4. Step 4: Simplify right side
    12,436,842.60x = 81,096,849,895,501.42
  5. Step 5: Solve for x
    x = 81,096,849,895,501.42/12,436,842.60
  6. Step 6: Final answer
    x = 6,520,694.40

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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.