Home / 9,712,380.60-13,403,087.54-5,361,469.86

Finding the Fourth Proportional to 9,712,380.60, 13,403,087.54 and 5,361,469.86

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Solution

The fourth proportional to 9,712,380.60, 13,403,087.54 and 5,361,469.86 is: 7,398,829.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,380.60 : 13,403,087.54 = 5,361,469.86 : x
  2. Step 2: Convert to fraction form
    9,712,380.60/13,403,087.54 = 5,361,469.86/x
  3. Step 3: Cross multiply
    9,712,380.60x = 13,403,087.54 × 5,361,469.86
  4. Step 4: Simplify right side
    9,712,380.60x = 71,860,249,876,651.55
  5. Step 5: Solve for x
    x = 71,860,249,876,651.55/9,712,380.60
  6. Step 6: Final answer
    x = 7,398,829.68

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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.