Home / 12,174,947.46-18,262,654.09-3,977,612.28

Finding the Fourth Proportional to 12,174,947.46, 18,262,654.09 and 3,977,612.28

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Solution

The fourth proportional to 12,174,947.46, 18,262,654.09 and 3,977,612.28 is: 5,966,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174,947.46 : 18,262,654.09 = 3,977,612.28 : x
  2. Step 2: Convert to fraction form
    12,174,947.46/18,262,654.09 = 3,977,612.28/x
  3. Step 3: Cross multiply
    12,174,947.46x = 18,262,654.09 × 3,977,612.28
  4. Step 4: Simplify right side
    12,174,947.46x = 72,641,757,163,832.19
  5. Step 5: Solve for x
    x = 72,641,757,163,832.19/12,174,947.46
  6. Step 6: Final answer
    x = 5,966,494.51

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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.