Home / 12,937,568.20-19,403,630.70-6,541,808.20

Finding the Fourth Proportional to 12,937,568.20, 19,403,630.70 and 6,541,808.20

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Solution

The fourth proportional to 12,937,568.20, 19,403,630.70 and 6,541,808.20 is: 9,811,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,568.20 : 19,403,630.70 = 6,541,808.20 : x
  2. Step 2: Convert to fraction form
    12,937,568.20/19,403,630.70 = 6,541,808.20/x
  3. Step 3: Cross multiply
    12,937,568.20x = 19,403,630.70 × 6,541,808.20
  4. Step 4: Simplify right side
    12,937,568.20x = 126,934,830,423,031.73
  5. Step 5: Solve for x
    x = 126,934,830,423,031.73/12,937,568.20
  6. Step 6: Final answer
    x = 9,811,336.14

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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.