Home / 7,157,325.92-9,877,382.88-4,102,131.20

Finding the Fourth Proportional to 7,157,325.92, 9,877,382.88 and 4,102,131.20

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Solution

The fourth proportional to 7,157,325.92, 9,877,382.88 and 4,102,131.20 is: 5,661,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,325.92 : 9,877,382.88 = 4,102,131.20 : x
  2. Step 2: Convert to fraction form
    7,157,325.92/9,877,382.88 = 4,102,131.20/x
  3. Step 3: Cross multiply
    7,157,325.92x = 9,877,382.88 × 4,102,131.20
  4. Step 4: Simplify right side
    7,157,325.92x = 40,518,320,486,393.86
  5. Step 5: Solve for x
    x = 40,518,320,486,393.86/7,157,325.92
  6. Step 6: Final answer
    x = 5,661,097.59

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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.