Home / 12,875,015.52-17,760,132.36-8,037,721.44

Finding the Fourth Proportional to 12,875,015.52, 17,760,132.36 and 8,037,721.44

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Solution

The fourth proportional to 12,875,015.52, 17,760,132.36 and 8,037,721.44 is: 11,087,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,015.52 : 17,760,132.36 = 8,037,721.44 : x
  2. Step 2: Convert to fraction form
    12,875,015.52/17,760,132.36 = 8,037,721.44/x
  3. Step 3: Cross multiply
    12,875,015.52x = 17,760,132.36 × 8,037,721.44
  4. Step 4: Simplify right side
    12,875,015.52x = 142,750,996,647,209.81
  5. Step 5: Solve for x
    x = 142,750,996,647,209.81/12,875,015.52
  6. Step 6: Final answer
    x = 11,087,442.69

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1.5x scale

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.