Home / 13,438,574.40-20,157,861.60-12,598,766.40

Finding the Fourth Proportional to 13,438,574.40, 20,157,861.60 and 12,598,766.40

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Solution

The fourth proportional to 13,438,574.40, 20,157,861.60 and 12,598,766.40 is: 18,898,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,574.40 : 20,157,861.60 = 12,598,766.40 : x
  2. Step 2: Convert to fraction form
    13,438,574.40/20,157,861.60 = 12,598,766.40/x
  3. Step 3: Cross multiply
    13,438,574.40x = 20,157,861.60 × 12,598,766.40
  4. Step 4: Simplify right side
    13,438,574.40x = 253,964,189,421,930.28
  5. Step 5: Solve for x
    x = 253,964,189,421,930.28/13,438,574.40
  6. Step 6: Final answer
    x = 18,898,149.60

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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.