Home / 15,857,160.70-21,883,483.28-8,887,967.06

Finding the Fourth Proportional to 15,857,160.70, 21,883,483.28 and 8,887,967.06

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Solution

The fourth proportional to 15,857,160.70, 21,883,483.28 and 8,887,967.06 is: 12,265,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857,160.70 : 21,883,483.28 = 8,887,967.06 : x
  2. Step 2: Convert to fraction form
    15,857,160.70/21,883,483.28 = 8,887,967.06/x
  3. Step 3: Cross multiply
    15,857,160.70x = 21,883,483.28 × 8,887,967.06
  4. Step 4: Simplify right side
    15,857,160.70x = 194,499,678,575,790.47
  5. Step 5: Solve for x
    x = 194,499,678,575,790.47/15,857,160.70
  6. Step 6: Final answer
    x = 12,265,731.69

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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.