Home / 7,378,737.40-10,182,671.60-4,115,763.47

Finding the Fourth Proportional to 7,378,737.40, 10,182,671.60 and 4,115,763.47

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Solution

The fourth proportional to 7,378,737.40, 10,182,671.60 and 4,115,763.47 is: 5,679,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,737.40 : 10,182,671.60 = 4,115,763.47 : x
  2. Step 2: Convert to fraction form
    7,378,737.40/10,182,671.60 = 4,115,763.47/x
  3. Step 3: Cross multiply
    7,378,737.40x = 10,182,671.60 × 4,115,763.47
  4. Step 4: Simplify right side
    7,378,737.40x = 41,909,467,803,164.32
  5. Step 5: Solve for x
    x = 41,909,467,803,164.32/7,378,737.40
  6. Step 6: Final answer
    x = 5,679,761.39

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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.