Home / 18,581,036.50-25,641,830.37-10,432,449.46

Finding the Fourth Proportional to 18,581,036.50, 25,641,830.37 and 10,432,449.46

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Solution

The fourth proportional to 18,581,036.50, 25,641,830.37 and 10,432,449.46 is: 14,396,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581,036.50 : 25,641,830.37 = 10,432,449.46 : x
  2. Step 2: Convert to fraction form
    18,581,036.50/25,641,830.37 = 10,432,449.46/x
  3. Step 3: Cross multiply
    18,581,036.50x = 25,641,830.37 × 10,432,449.46
  4. Step 4: Simplify right side
    18,581,036.50x = 267,507,099,396,918.12
  5. Step 5: Solve for x
    x = 267,507,099,396,918.12/18,581,036.50
  6. Step 6: Final answer
    x = 14,396,780.25

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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.