Home / 21,011,748.40-31,488,098.10-16,701,171.40

Finding the Fourth Proportional to 21,011,748.40, 31,488,098.10 and 16,701,171.40

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Solution

The fourth proportional to 21,011,748.40, 31,488,098.10 and 16,701,171.40 is: 25,028,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,748.40 : 31,488,098.10 = 16,701,171.40 : x
  2. Step 2: Convert to fraction form
    21,011,748.40/31,488,098.10 = 16,701,171.40/x
  3. Step 3: Cross multiply
    21,011,748.40x = 31,488,098.10 × 16,701,171.40
  4. Step 4: Simplify right side
    21,011,748.40x = 525,888,123,428,114.38
  5. Step 5: Solve for x
    x = 525,888,123,428,114.38/21,011,748.40
  6. Step 6: Final answer
    x = 25,028,289.57

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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.