Home / 20,186,487.30-30,243,645.45-12,284,856.30

Finding the Fourth Proportional to 20,186,487.30, 30,243,645.45 and 12,284,856.30

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Solution

The fourth proportional to 20,186,487.30, 30,243,645.45 and 12,284,856.30 is: 18,405,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,487.30 : 30,243,645.45 = 12,284,856.30 : x
  2. Step 2: Convert to fraction form
    20,186,487.30/30,243,645.45 = 12,284,856.30/x
  3. Step 3: Cross multiply
    20,186,487.30x = 30,243,645.45 × 12,284,856.30
  4. Step 4: Simplify right side
    20,186,487.30x = 371,538,838,341,398.88
  5. Step 5: Solve for x
    x = 371,538,838,341,398.88/20,186,487.30
  6. Step 6: Final answer
    x = 18,405,323.96

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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.