Home / 15,143,194.40-20,897,499.04-8,267,676.40

Finding the Fourth Proportional to 15,143,194.40, 20,897,499.04 and 8,267,676.40

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Solution

The fourth proportional to 15,143,194.40, 20,897,499.04 and 8,267,676.40 is: 11,409,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143,194.40 : 20,897,499.04 = 8,267,676.40 : x
  2. Step 2: Convert to fraction form
    15,143,194.40/20,897,499.04 = 8,267,676.40/x
  3. Step 3: Cross multiply
    15,143,194.40x = 20,897,499.04 × 8,267,676.40
  4. Step 4: Simplify right side
    15,143,194.40x = 172,773,759,632,030.66
  5. Step 5: Solve for x
    x = 172,773,759,632,030.66/15,143,194.40
  6. Step 6: Final answer
    x = 11,409,333.79

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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.