Home / 18,931,693.33-28,397,539.86-4,554,760.96

Finding the Fourth Proportional to 18,931,693.33, 28,397,539.86 and 4,554,760.96

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Solution

The fourth proportional to 18,931,693.33, 28,397,539.86 and 4,554,760.96 is: 6,832,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,693.33 : 28,397,539.86 = 4,554,760.96 : x
  2. Step 2: Convert to fraction form
    18,931,693.33/28,397,539.86 = 4,554,760.96/x
  3. Step 3: Cross multiply
    18,931,693.33x = 28,397,539.86 × 4,554,760.96
  4. Step 4: Simplify right side
    18,931,693.33x = 129,344,005,914,371.86
  5. Step 5: Solve for x
    x = 129,344,005,914,371.86/18,931,693.33
  6. Step 6: Final answer
    x = 6,832,141.41

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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.