Home / 25,347,966.40-38,021,949.60-21,148,926.40

Finding the Fourth Proportional to 25,347,966.40, 38,021,949.60 and 21,148,926.40

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Solution

The fourth proportional to 25,347,966.40, 38,021,949.60 and 21,148,926.40 is: 31,723,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347,966.40 : 38,021,949.60 = 21,148,926.40 : x
  2. Step 2: Convert to fraction form
    25,347,966.40/38,021,949.60 = 21,148,926.40/x
  3. Step 3: Cross multiply
    25,347,966.40x = 38,021,949.60 × 21,148,926.40
  4. Step 4: Simplify right side
    25,347,966.40x = 804,123,413,674,909.38
  5. Step 5: Solve for x
    x = 804,123,413,674,909.38/25,347,966.40
  6. Step 6: Final answer
    x = 31,723,389.60

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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.