Home / 8,266,129.80-12,377,076.30-5,258,027.40

Finding the Fourth Proportional to 8,266,129.80, 12,377,076.30 and 5,258,027.40

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Solution

The fourth proportional to 8,266,129.80, 12,377,076.30 and 5,258,027.40 is: 7,872,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266,129.80 : 12,377,076.30 = 5,258,027.40 : x
  2. Step 2: Convert to fraction form
    8,266,129.80/12,377,076.30 = 5,258,027.40/x
  3. Step 3: Cross multiply
    8,266,129.80x = 12,377,076.30 × 5,258,027.40
  4. Step 4: Simplify right side
    8,266,129.80x = 65,079,006,317,290.62
  5. Step 5: Solve for x
    x = 65,079,006,317,290.62/8,266,129.80
  6. Step 6: Final answer
    x = 7,872,971.74

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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.