Home / 14,187,839.40-19,579,278.15-7,992,960.53

Finding the Fourth Proportional to 14,187,839.40, 19,579,278.15 and 7,992,960.53

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Solution

The fourth proportional to 14,187,839.40, 19,579,278.15 and 7,992,960.53 is: 11,030,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187,839.40 : 19,579,278.15 = 7,992,960.53 : x
  2. Step 2: Convert to fraction form
    14,187,839.40/19,579,278.15 = 7,992,960.53/x
  3. Step 3: Cross multiply
    14,187,839.40x = 19,579,278.15 × 7,992,960.53
  4. Step 4: Simplify right side
    14,187,839.40x = 156,496,397,360,945.03
  5. Step 5: Solve for x
    x = 156,496,397,360,945.03/14,187,839.40
  6. Step 6: Final answer
    x = 11,030,319.20

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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.