Home / 10,502,808.30-15,754,212.45-5,725,233.90

Finding the Fourth Proportional to 10,502,808.30, 15,754,212.45 and 5,725,233.90

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Solution

The fourth proportional to 10,502,808.30, 15,754,212.45 and 5,725,233.90 is: 8,587,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,808.30 : 15,754,212.45 = 5,725,233.90 : x
  2. Step 2: Convert to fraction form
    10,502,808.30/15,754,212.45 = 5,725,233.90/x
  3. Step 3: Cross multiply
    10,502,808.30x = 15,754,212.45 × 5,725,233.90
  4. Step 4: Simplify right side
    10,502,808.30x = 90,196,551,186,542.06
  5. Step 5: Solve for x
    x = 90,196,551,186,542.06/10,502,808.30
  6. Step 6: Final answer
    x = 8,587,850.85

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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.