Home / 12,513,860-17,269,126.80-6,790,724

Finding the Fourth Proportional to 12,513,860, 17,269,126.80 and 6,790,724

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Solution

The fourth proportional to 12,513,860, 17,269,126.80 and 6,790,724 is: 9,371,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,860 : 17,269,126.80 = 6,790,724 : x
  2. Step 2: Convert to fraction form
    12,513,860/17,269,126.80 = 6,790,724/x
  3. Step 3: Cross multiply
    12,513,860x = 17,269,126.80 × 6,790,724
  4. Step 4: Simplify right side
    12,513,860x = 117,269,873,819,803.20
  5. Step 5: Solve for x
    x = 117,269,873,819,803.20/12,513,860
  6. Step 6: Final answer
    x = 9,371,199.12

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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.