Home / 8,420,807.31-12,625,780.23-3,303,754.36

Finding the Fourth Proportional to 8,420,807.31, 12,625,780.23 and 3,303,754.36

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Solution

The fourth proportional to 8,420,807.31, 12,625,780.23 and 3,303,754.36 is: 4,953,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,807.31 : 12,625,780.23 = 3,303,754.36 : x
  2. Step 2: Convert to fraction form
    8,420,807.31/12,625,780.23 = 3,303,754.36/x
  3. Step 3: Cross multiply
    8,420,807.31x = 12,625,780.23 × 3,303,754.36
  4. Step 4: Simplify right side
    8,420,807.31x = 41,712,476,442,406.39
  5. Step 5: Solve for x
    x = 41,712,476,442,406.39/8,420,807.31
  6. Step 6: Final answer
    x = 4,953,500.88

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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.