Home / 25,758,910.40-38,663,248.80-15,681,214.40

Finding the Fourth Proportional to 25,758,910.40, 38,663,248.80 and 15,681,214.40

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Solution

The fourth proportional to 25,758,910.40, 38,663,248.80 and 15,681,214.40 is: 23,536,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758,910.40 : 38,663,248.80 = 15,681,214.40 : x
  2. Step 2: Convert to fraction form
    25,758,910.40/38,663,248.80 = 15,681,214.40/x
  3. Step 3: Cross multiply
    25,758,910.40x = 38,663,248.80 × 15,681,214.40
  4. Step 4: Simplify right side
    25,758,910.40x = 606,286,693,833,342.75
  5. Step 5: Solve for x
    x = 606,286,693,833,342.75/25,758,910.40
  6. Step 6: Final answer
    x = 23,536,969.71

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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.