Home / 15,830,520.33-21,846,487.96-8,861,024.58

Finding the Fourth Proportional to 15,830,520.33, 21,846,487.96 and 8,861,024.58

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Solution

The fourth proportional to 15,830,520.33, 21,846,487.96 and 8,861,024.58 is: 12,228,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830,520.33 : 21,846,487.96 = 8,861,024.58 : x
  2. Step 2: Convert to fraction form
    15,830,520.33/21,846,487.96 = 8,861,024.58/x
  3. Step 3: Cross multiply
    15,830,520.33x = 21,846,487.96 × 8,861,024.58
  4. Step 4: Simplify right side
    15,830,520.33x = 193,582,266,729,386
  5. Step 5: Solve for x
    x = 193,582,266,729,386/15,830,520.33
  6. Step 6: Final answer
    x = 12,228,420.96

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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.