Home / 7,137,657.45-9,850,140.95-3,874,605.93

Finding the Fourth Proportional to 7,137,657.45, 9,850,140.95 and 3,874,605.93

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Solution

The fourth proportional to 7,137,657.45, 9,850,140.95 and 3,874,605.93 is: 5,347,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,657.45 : 9,850,140.95 = 3,874,605.93 : x
  2. Step 2: Convert to fraction form
    7,137,657.45/9,850,140.95 = 3,874,605.93/x
  3. Step 3: Cross multiply
    7,137,657.45x = 9,850,140.95 × 3,874,605.93
  4. Step 4: Simplify right side
    7,137,657.45x = 38,165,414,516,832.80
  5. Step 5: Solve for x
    x = 38,165,414,516,832.80/7,137,657.45
  6. Step 6: Final answer
    x = 5,347,050.46

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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.