Home / 18,069,258.47-27,103,886.89-5,289,763.12

Finding the Fourth Proportional to 18,069,258.47, 27,103,886.89 and 5,289,763.12

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Solution

The fourth proportional to 18,069,258.47, 27,103,886.89 and 5,289,763.12 is: 7,934,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069,258.47 : 27,103,886.89 = 5,289,763.12 : x
  2. Step 2: Convert to fraction form
    18,069,258.47/27,103,886.89 = 5,289,763.12/x
  3. Step 3: Cross multiply
    18,069,258.47x = 27,103,886.89 × 5,289,763.12
  4. Step 4: Simplify right side
    18,069,258.47x = 143,373,141,198,389.38
  5. Step 5: Solve for x
    x = 143,373,141,198,389.38/18,069,258.47
  6. Step 6: Final answer
    x = 7,934,644.44

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Double scale
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Similar ratio
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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.