Home / 13,044,570.29-18,003,167.75-7,887,968.75

Finding the Fourth Proportional to 13,044,570.29, 18,003,167.75 and 7,887,968.75

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Solution

The fourth proportional to 13,044,570.29, 18,003,167.75 and 7,887,968.75 is: 10,886,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044,570.29 : 18,003,167.75 = 7,887,968.75 : x
  2. Step 2: Convert to fraction form
    13,044,570.29/18,003,167.75 = 7,887,968.75/x
  3. Step 3: Cross multiply
    13,044,570.29x = 18,003,167.75 × 7,887,968.75
  4. Step 4: Simplify right side
    13,044,570.29x = 142,008,424,542,711.91
  5. Step 5: Solve for x
    x = 142,008,424,542,711.91/13,044,570.29
  6. Step 6: Final answer
    x = 10,886,401.11

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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.