Home / 12,722,754.40-17,557,001.04-6,921,387.52

Finding the Fourth Proportional to 12,722,754.40, 17,557,001.04 and 6,921,387.52

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Solution

The fourth proportional to 12,722,754.40, 17,557,001.04 and 6,921,387.52 is: 9,551,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722,754.40 : 17,557,001.04 = 6,921,387.52 : x
  2. Step 2: Convert to fraction form
    12,722,754.40/17,557,001.04 = 6,921,387.52/x
  3. Step 3: Cross multiply
    12,722,754.40x = 17,557,001.04 × 6,921,387.52
  4. Step 4: Simplify right side
    12,722,754.40x = 121,518,807,886,883
  5. Step 5: Solve for x
    x = 121,518,807,886,883/12,722,754.40
  6. Step 6: Final answer
    x = 9,551,297.15

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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.