Home / 8,157,470.40-11,256,426.68-4,719,069

Finding the Fourth Proportional to 8,157,470.40, 11,256,426.68 and 4,719,069

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Solution

The fourth proportional to 8,157,470.40, 11,256,426.68 and 4,719,069 is: 6,511,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157,470.40 : 11,256,426.68 = 4,719,069 : x
  2. Step 2: Convert to fraction form
    8,157,470.40/11,256,426.68 = 4,719,069/x
  3. Step 3: Cross multiply
    8,157,470.40x = 11,256,426.68 × 4,719,069
  4. Step 4: Simplify right side
    8,157,470.40x = 53,119,854,172,765.58
  5. Step 5: Solve for x
    x = 53,119,854,172,765.58/8,157,470.40
  6. Step 6: Final answer
    x = 6,511,804.71

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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.