Home / 8,157,657.20-12,236,485.80-4,378,521.20

Finding the Fourth Proportional to 8,157,657.20, 12,236,485.80 and 4,378,521.20

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Solution

The fourth proportional to 8,157,657.20, 12,236,485.80 and 4,378,521.20 is: 6,567,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157,657.20 : 12,236,485.80 = 4,378,521.20 : x
  2. Step 2: Convert to fraction form
    8,157,657.20/12,236,485.80 = 4,378,521.20/x
  3. Step 3: Cross multiply
    8,157,657.20x = 12,236,485.80 × 4,378,521.20
  4. Step 4: Simplify right side
    8,157,657.20x = 53,577,712,488,798.97
  5. Step 5: Solve for x
    x = 53,577,712,488,798.97/8,157,657.20
  6. Step 6: Final answer
    x = 6,567,781.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.