Home / 28,546,890.60-39,394,752.18-15,494,154.20

Finding the Fourth Proportional to 28,546,890.60, 39,394,752.18 and 15,494,154.20

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Solution

The fourth proportional to 28,546,890.60, 39,394,752.18 and 15,494,154.20 is: 21,381,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,890.60 : 39,394,752.18 = 15,494,154.20 : x
  2. Step 2: Convert to fraction form
    28,546,890.60/39,394,752.18 = 15,494,154.20/x
  3. Step 3: Cross multiply
    28,546,890.60x = 39,394,752.18 × 15,494,154.20
  4. Step 4: Simplify right side
    28,546,890.60x = 610,388,364,947,706.12
  5. Step 5: Solve for x
    x = 610,388,364,947,706.12/28,546,890.60
  6. Step 6: Final answer
    x = 21,381,956.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.