Home / 15,703,589.12-21,671,721.60-8,830,227.20

Finding the Fourth Proportional to 15,703,589.12, 21,671,721.60 and 8,830,227.20

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Solution

The fourth proportional to 15,703,589.12, 21,671,721.60 and 8,830,227.20 is: 12,186,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,703,589.12 : 21,671,721.60 = 8,830,227.20 : x
  2. Step 2: Convert to fraction form
    15,703,589.12/21,671,721.60 = 8,830,227.20/x
  3. Step 3: Cross multiply
    15,703,589.12x = 21,671,721.60 × 8,830,227.20
  4. Step 4: Simplify right side
    15,703,589.12x = 191,366,225,543,147.53
  5. Step 5: Solve for x
    x = 191,366,225,543,147.53/15,703,589.12
  6. Step 6: Final answer
    x = 12,186,145.73

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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.