Home / 12,948,541.74-17,868,887.91-7,147,320.30

Finding the Fourth Proportional to 12,948,541.74, 17,868,887.91 and 7,147,320.30

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Solution

The fourth proportional to 12,948,541.74, 17,868,887.91 and 7,147,320.30 is: 9,863,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,541.74 : 17,868,887.91 = 7,147,320.30 : x
  2. Step 2: Convert to fraction form
    12,948,541.74/17,868,887.91 = 7,147,320.30/x
  3. Step 3: Cross multiply
    12,948,541.74x = 17,868,887.91 × 7,147,320.30
  4. Step 4: Simplify right side
    12,948,541.74x = 127,714,665,297,567.58
  5. Step 5: Solve for x
    x = 127,714,665,297,567.58/12,948,541.74
  6. Step 6: Final answer
    x = 9,863,246.99

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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.