Home / 15,040,323.47-20,755,898.80-8,164,805.53

Finding the Fourth Proportional to 15,040,323.47, 20,755,898.80 and 8,164,805.53

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Solution

The fourth proportional to 15,040,323.47, 20,755,898.80 and 8,164,805.53 is: 11,267,568.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040,323.47 : 20,755,898.80 = 8,164,805.53 : x
  2. Step 2: Convert to fraction form
    15,040,323.47/20,755,898.80 = 8,164,805.53/x
  3. Step 3: Cross multiply
    15,040,323.47x = 20,755,898.80 × 8,164,805.53
  4. Step 4: Simplify right side
    15,040,323.47x = 169,467,877,302,360.38
  5. Step 5: Solve for x
    x = 169,467,877,302,360.38/15,040,323.47
  6. Step 6: Final answer
    x = 11,267,568.66

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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.