Home / 9,165,345.12-12,648,576.60-5,090,964.12

Finding the Fourth Proportional to 9,165,345.12, 12,648,576.60 and 5,090,964.12

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Solution

The fourth proportional to 9,165,345.12, 12,648,576.60 and 5,090,964.12 is: 7,025,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165,345.12 : 12,648,576.60 = 5,090,964.12 : x
  2. Step 2: Convert to fraction form
    9,165,345.12/12,648,576.60 = 5,090,964.12/x
  3. Step 3: Cross multiply
    9,165,345.12x = 12,648,576.60 × 5,090,964.12
  4. Step 4: Simplify right side
    9,165,345.12x = 64,393,449,639,671.59
  5. Step 5: Solve for x
    x = 64,393,449,639,671.59/9,165,345.12
  6. Step 6: Final answer
    x = 7,025,752.85

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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.