Home / 25,668,453.96-38,482,689.60-12,705,656.76

Finding the Fourth Proportional to 25,668,453.96, 38,482,689.60 and 12,705,656.76

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Solution

The fourth proportional to 25,668,453.96, 38,482,689.60 and 12,705,656.76 is: 19,048,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668,453.96 : 38,482,689.60 = 12,705,656.76 : x
  2. Step 2: Convert to fraction form
    25,668,453.96/38,482,689.60 = 12,705,656.76/x
  3. Step 3: Cross multiply
    25,668,453.96x = 38,482,689.60 × 12,705,656.76
  4. Step 4: Simplify right side
    25,668,453.96x = 488,947,845,259,221.69
  5. Step 5: Solve for x
    x = 488,947,845,259,221.69/25,668,453.96
  6. Step 6: Final answer
    x = 19,048,589.60

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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.