Home / 15,431,036.55-23,146,554.83-7,778,286.15

Finding the Fourth Proportional to 15,431,036.55, 23,146,554.83 and 7,778,286.15

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Solution

The fourth proportional to 15,431,036.55, 23,146,554.83 and 7,778,286.15 is: 11,667,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431,036.55 : 23,146,554.83 = 7,778,286.15 : x
  2. Step 2: Convert to fraction form
    15,431,036.55/23,146,554.83 = 7,778,286.15/x
  3. Step 3: Cross multiply
    15,431,036.55x = 23,146,554.83 × 7,778,286.15
  4. Step 4: Simplify right side
    15,431,036.55x = 180,040,526,815,513.19
  5. Step 5: Solve for x
    x = 180,040,526,815,513.19/15,431,036.55
  6. Step 6: Final answer
    x = 11,667,429.23

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Double scale
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Similar ratio
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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.