Home / 10,285,337.16-15,428,497.80-8,484,882.12

Finding the Fourth Proportional to 10,285,337.16, 15,428,497.80 and 8,484,882.12

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Solution

The fourth proportional to 10,285,337.16, 15,428,497.80 and 8,484,882.12 is: 12,727,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285,337.16 : 15,428,497.80 = 8,484,882.12 : x
  2. Step 2: Convert to fraction form
    10,285,337.16/15,428,497.80 = 8,484,882.12/x
  3. Step 3: Cross multiply
    10,285,337.16x = 15,428,497.80 × 8,484,882.12
  4. Step 4: Simplify right side
    10,285,337.16x = 130,908,985,121,679.33
  5. Step 5: Solve for x
    x = 130,908,985,121,679.33/10,285,337.16
  6. Step 6: Final answer
    x = 12,727,729.10

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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.