Home / 8,252,111.80-12,378,320.52-2,860,937.92

Finding the Fourth Proportional to 8,252,111.80, 12,378,320.52 and 2,860,937.92

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Solution

The fourth proportional to 8,252,111.80, 12,378,320.52 and 2,860,937.92 is: 4,291,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252,111.80 : 12,378,320.52 = 2,860,937.92 : x
  2. Step 2: Convert to fraction form
    8,252,111.80/12,378,320.52 = 2,860,937.92/x
  3. Step 3: Cross multiply
    8,252,111.80x = 12,378,320.52 × 2,860,937.92
  4. Step 4: Simplify right side
    8,252,111.80x = 35,413,606,561,582.12
  5. Step 5: Solve for x
    x = 35,413,606,561,582.12/8,252,111.80
  6. Step 6: Final answer
    x = 4,291,459.86

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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.