Home / 12,937,510.80-19,406,266.20-8,906,432.40

Finding the Fourth Proportional to 12,937,510.80, 19,406,266.20 and 8,906,432.40

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Solution

The fourth proportional to 12,937,510.80, 19,406,266.20 and 8,906,432.40 is: 13,359,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,510.80 : 19,406,266.20 = 8,906,432.40 : x
  2. Step 2: Convert to fraction form
    12,937,510.80/19,406,266.20 = 8,906,432.40/x
  3. Step 3: Cross multiply
    12,937,510.80x = 19,406,266.20 × 8,906,432.40
  4. Step 4: Simplify right side
    12,937,510.80x = 172,840,598,046,704.88
  5. Step 5: Solve for x
    x = 172,840,598,046,704.88/12,937,510.80
  6. Step 6: Final answer
    x = 13,359,648.60

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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.