Home / 8,312,882.52-11,479,700.24-7,860,001.16

Finding the Fourth Proportional to 8,312,882.52, 11,479,700.24 and 7,860,001.16

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Solution

The fourth proportional to 8,312,882.52, 11,479,700.24 and 7,860,001.16 is: 10,854,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,882.52 : 11,479,700.24 = 7,860,001.16 : x
  2. Step 2: Convert to fraction form
    8,312,882.52/11,479,700.24 = 7,860,001.16/x
  3. Step 3: Cross multiply
    8,312,882.52x = 11,479,700.24 × 7,860,001.16
  4. Step 4: Simplify right side
    8,312,882.52x = 90,230,457,202,852.28
  5. Step 5: Solve for x
    x = 90,230,457,202,852.28/8,312,882.52
  6. Step 6: Final answer
    x = 10,854,292.36

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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.