Home / 21,496,856.64-32,213,398.48-15,789,180.30

Finding the Fourth Proportional to 21,496,856.64, 32,213,398.48 and 15,789,180.30

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Solution

The fourth proportional to 21,496,856.64, 32,213,398.48 and 15,789,180.30 is: 23,660,350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496,856.64 : 32,213,398.48 = 15,789,180.30 : x
  2. Step 2: Convert to fraction form
    21,496,856.64/32,213,398.48 = 15,789,180.30/x
  3. Step 3: Cross multiply
    21,496,856.64x = 32,213,398.48 × 15,789,180.30
  4. Step 4: Simplify right side
    21,496,856.64x = 508,623,156,676,466
  5. Step 5: Solve for x
    x = 508,623,156,676,466/21,496,856.64
  6. Step 6: Final answer
    x = 23,660,350.22

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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.