Home / 7,157,319.92-9,877,374.64-4,102,125.20

Finding the Fourth Proportional to 7,157,319.92, 9,877,374.64 and 4,102,125.20

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Solution

The fourth proportional to 7,157,319.92, 9,877,374.64 and 4,102,125.20 is: 5,661,089.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,319.92 : 9,877,374.64 = 4,102,125.20 : x
  2. Step 2: Convert to fraction form
    7,157,319.92/9,877,374.64 = 4,102,125.20/x
  3. Step 3: Cross multiply
    7,157,319.92x = 9,877,374.64 × 4,102,125.20
  4. Step 4: Simplify right side
    7,157,319.92x = 40,518,227,420,584.93
  5. Step 5: Solve for x
    x = 40,518,227,420,584.93/7,157,319.92
  6. Step 6: Final answer
    x = 5,661,089.33

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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.