Home / 7,180,777.86-9,915,992.88-5,344,565.36

Finding the Fourth Proportional to 7,180,777.86, 9,915,992.88 and 5,344,565.36

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Solution

The fourth proportional to 7,180,777.86, 9,915,992.88 and 5,344,565.36 is: 7,380,352.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,777.86 : 9,915,992.88 = 5,344,565.36 : x
  2. Step 2: Convert to fraction form
    7,180,777.86/9,915,992.88 = 5,344,565.36/x
  3. Step 3: Cross multiply
    7,180,777.86x = 9,915,992.88 × 5,344,565.36
  4. Step 4: Simplify right side
    7,180,777.86x = 52,996,672,056,454.64
  5. Step 5: Solve for x
    x = 52,996,672,056,454.64/7,180,777.86
  6. Step 6: Final answer
    x = 7,380,352.53

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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.