Home / 7,378,737.60-10,182,671.86-4,115,763.66

Finding the Fourth Proportional to 7,378,737.60, 10,182,671.86 and 4,115,763.66

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Solution

The fourth proportional to 7,378,737.60, 10,182,671.86 and 4,115,763.66 is: 5,679,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,737.60 : 10,182,671.86 = 4,115,763.66 : x
  2. Step 2: Convert to fraction form
    7,378,737.60/10,182,671.86 = 4,115,763.66/x
  3. Step 3: Cross multiply
    7,378,737.60x = 10,182,671.86 × 4,115,763.66
  4. Step 4: Simplify right side
    7,378,737.60x = 41,909,470,803,092.61
  5. Step 5: Solve for x
    x = 41,909,470,803,092.61/7,378,737.60
  6. Step 6: Final answer
    x = 5,679,761.64

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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.