Home / 12,904,234.68-17,807,908.14-7,103,599.80

Finding the Fourth Proportional to 12,904,234.68, 17,807,908.14 and 7,103,599.80

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Solution

The fourth proportional to 12,904,234.68, 17,807,908.14 and 7,103,599.80 is: 9,803,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,234.68 : 17,807,908.14 = 7,103,599.80 : x
  2. Step 2: Convert to fraction form
    12,904,234.68/17,807,908.14 = 7,103,599.80/x
  3. Step 3: Cross multiply
    12,904,234.68x = 17,807,908.14 × 7,103,599.80
  4. Step 4: Simplify right side
    12,904,234.68x = 126,500,252,701,722.38
  5. Step 5: Solve for x
    x = 126,500,252,701,722.38/12,904,234.68
  6. Step 6: Final answer
    x = 9,803,003.11

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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.