Home / 12,419,647.18-17,139,306.98-6,913,081.89

Finding the Fourth Proportional to 12,419,647.18, 17,139,306.98 and 6,913,081.89

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Solution

The fourth proportional to 12,419,647.18, 17,139,306.98 and 6,913,081.89 is: 9,540,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419,647.18 : 17,139,306.98 = 6,913,081.89 : x
  2. Step 2: Convert to fraction form
    12,419,647.18/17,139,306.98 = 6,913,081.89/x
  3. Step 3: Cross multiply
    12,419,647.18x = 17,139,306.98 × 6,913,081.89
  4. Step 4: Simplify right side
    12,419,647.18x = 118,485,432,707,871.30
  5. Step 5: Solve for x
    x = 118,485,432,707,871.30/12,419,647.18
  6. Step 6: Final answer
    x = 9,540,160.93

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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.