Home / 13,195,848.30-19,793,772.45-8,157,000.30

Finding the Fourth Proportional to 13,195,848.30, 19,793,772.45 and 8,157,000.30

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Solution

The fourth proportional to 13,195,848.30, 19,793,772.45 and 8,157,000.30 is: 12,235,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195,848.30 : 19,793,772.45 = 8,157,000.30 : x
  2. Step 2: Convert to fraction form
    13,195,848.30/19,793,772.45 = 8,157,000.30/x
  3. Step 3: Cross multiply
    13,195,848.30x = 19,793,772.45 × 8,157,000.30
  4. Step 4: Simplify right side
    13,195,848.30x = 161,457,807,812,781.72
  5. Step 5: Solve for x
    x = 161,457,807,812,781.72/13,195,848.30
  6. Step 6: Final answer
    x = 12,235,500.45

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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.