Home / 12,680,438.76-19,028,123.10-4,707,861.48

Finding the Fourth Proportional to 12,680,438.76, 19,028,123.10 and 4,707,861.48

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Solution

The fourth proportional to 12,680,438.76, 19,028,123.10 and 4,707,861.48 is: 7,064,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680,438.76 : 19,028,123.10 = 4,707,861.48 : x
  2. Step 2: Convert to fraction form
    12,680,438.76/19,028,123.10 = 4,707,861.48/x
  3. Step 3: Cross multiply
    12,680,438.76x = 19,028,123.10 × 4,707,861.48
  4. Step 4: Simplify right side
    12,680,438.76x = 89,581,767,779,188.20
  5. Step 5: Solve for x
    x = 89,581,767,779,188.20/12,680,438.76
  6. Step 6: Final answer
    x = 7,064,563.73

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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.