Home / 12,419,648.18-17,139,308.36-6,913,082.89

Finding the Fourth Proportional to 12,419,648.18, 17,139,308.36 and 6,913,082.89

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Solution

The fourth proportional to 12,419,648.18, 17,139,308.36 and 6,913,082.89 is: 9,540,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419,648.18 : 17,139,308.36 = 6,913,082.89 : x
  2. Step 2: Convert to fraction form
    12,419,648.18/17,139,308.36 = 6,913,082.89/x
  3. Step 3: Cross multiply
    12,419,648.18x = 17,139,308.36 × 6,913,082.89
  4. Step 4: Simplify right side
    12,419,648.18x = 118,485,459,369,949.95
  5. Step 5: Solve for x
    x = 118,485,459,369,949.95/12,419,648.18
  6. Step 6: Final answer
    x = 9,540,162.30

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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.