Home / 8,825,275.62-12,179,400.57-6,645,973.86

Finding the Fourth Proportional to 8,825,275.62, 12,179,400.57 and 6,645,973.86

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Solution

The fourth proportional to 8,825,275.62, 12,179,400.57 and 6,645,973.86 is: 9,171,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825,275.62 : 12,179,400.57 = 6,645,973.86 : x
  2. Step 2: Convert to fraction form
    8,825,275.62/12,179,400.57 = 6,645,973.86/x
  3. Step 3: Cross multiply
    8,825,275.62x = 12,179,400.57 × 6,645,973.86
  4. Step 4: Simplify right side
    8,825,275.62x = 80,943,977,818,689.11
  5. Step 5: Solve for x
    x = 80,943,977,818,689.11/8,825,275.62
  6. Step 6: Final answer
    x = 9,171,835.68

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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.