Home / 21,001,687.20-31,502,530.80-16,750,159.20

Finding the Fourth Proportional to 21,001,687.20, 31,502,530.80 and 16,750,159.20

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Solution

The fourth proportional to 21,001,687.20, 31,502,530.80 and 16,750,159.20 is: 25,125,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,687.20 : 31,502,530.80 = 16,750,159.20 : x
  2. Step 2: Convert to fraction form
    21,001,687.20/31,502,530.80 = 16,750,159.20/x
  3. Step 3: Cross multiply
    21,001,687.20x = 31,502,530.80 × 16,750,159.20
  4. Step 4: Simplify right side
    21,001,687.20x = 527,672,406,102,903.38
  5. Step 5: Solve for x
    x = 527,672,406,102,903.38/21,001,687.20
  6. Step 6: Final answer
    x = 25,125,238.80

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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.