Home / 18,344,009.20-27,516,013.80-7,557,725.20

Finding the Fourth Proportional to 18,344,009.20, 27,516,013.80 and 7,557,725.20

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Solution

The fourth proportional to 18,344,009.20, 27,516,013.80 and 7,557,725.20 is: 11,336,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344,009.20 : 27,516,013.80 = 7,557,725.20 : x
  2. Step 2: Convert to fraction form
    18,344,009.20/27,516,013.80 = 7,557,725.20/x
  3. Step 3: Cross multiply
    18,344,009.20x = 27,516,013.80 × 7,557,725.20
  4. Step 4: Simplify right side
    18,344,009.20x = 207,958,470,899,807.78
  5. Step 5: Solve for x
    x = 207,958,470,899,807.78/18,344,009.20
  6. Step 6: Final answer
    x = 11,336,587.80

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1.5x scale

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.