Home / 25,213,319.41-34,795,673.72-15,420,687.88

Finding the Fourth Proportional to 25,213,319.41, 34,795,673.72 and 15,420,687.88

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Solution

The fourth proportional to 25,213,319.41, 34,795,673.72 and 15,420,687.88 is: 21,281,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,213,319.41 : 34,795,673.72 = 15,420,687.88 : x
  2. Step 2: Convert to fraction form
    25,213,319.41/34,795,673.72 = 15,420,687.88/x
  3. Step 3: Cross multiply
    25,213,319.41x = 34,795,673.72 × 15,420,687.88
  4. Step 4: Simplify right side
    25,213,319.41x = 536,573,224,010,438.50
  5. Step 5: Solve for x
    x = 536,573,224,010,438.50/25,213,319.41
  6. Step 6: Final answer
    x = 21,281,340.04

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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.