Home / 12,419,647.68-17,139,307.68-6,913,082.39

Finding the Fourth Proportional to 12,419,647.68, 17,139,307.68 and 6,913,082.39

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Solution

The fourth proportional to 12,419,647.68, 17,139,307.68 and 6,913,082.39 is: 9,540,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419,647.68 : 17,139,307.68 = 6,913,082.39 : x
  2. Step 2: Convert to fraction form
    12,419,647.68/17,139,307.68 = 6,913,082.39/x
  3. Step 3: Cross multiply
    12,419,647.68x = 17,139,307.68 × 6,913,082.39
  4. Step 4: Simplify right side
    12,419,647.68x = 118,485,446,064,834.34
  5. Step 5: Solve for x
    x = 118,485,446,064,834.34/12,419,647.68
  6. Step 6: Final answer
    x = 9,540,161.61

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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.