Home / 14,739,606.70-20,342,170.82-8,861,143.98

Finding the Fourth Proportional to 14,739,606.70, 20,342,170.82 and 8,861,143.98

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Solution

The fourth proportional to 14,739,606.70, 20,342,170.82 and 8,861,143.98 is: 12,229,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739,606.70 : 20,342,170.82 = 8,861,143.98 : x
  2. Step 2: Convert to fraction form
    14,739,606.70/20,342,170.82 = 8,861,143.98/x
  3. Step 3: Cross multiply
    14,739,606.70x = 20,342,170.82 × 8,861,143.98
  4. Step 4: Simplify right side
    14,739,606.70x = 180,254,904,501,774.69
  5. Step 5: Solve for x
    x = 180,254,904,501,774.69/14,739,606.70
  6. Step 6: Final answer
    x = 12,229,288.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.