Home / 18,691,531.65-25,795,607.90-10,433,200.95

Finding the Fourth Proportional to 18,691,531.65, 25,795,607.90 and 10,433,200.95

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Solution

The fourth proportional to 18,691,531.65, 25,795,607.90 and 10,433,200.95 is: 14,398,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691,531.65 : 25,795,607.90 = 10,433,200.95 : x
  2. Step 2: Convert to fraction form
    18,691,531.65/25,795,607.90 = 10,433,200.95/x
  3. Step 3: Cross multiply
    18,691,531.65x = 25,795,607.90 × 10,433,200.95
  4. Step 4: Simplify right side
    18,691,531.65x = 269,130,760,795,941.47
  5. Step 5: Solve for x
    x = 269,130,760,795,941.47/18,691,531.65
  6. Step 6: Final answer
    x = 14,398,539.71

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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.