Home / 15,028,778.79-20,739,078.33-8,502,519.29

Finding the Fourth Proportional to 15,028,778.79, 20,739,078.33 and 8,502,519.29

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Solution

The fourth proportional to 15,028,778.79, 20,739,078.33 and 8,502,519.29 is: 11,733,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,778.79 : 20,739,078.33 = 8,502,519.29 : x
  2. Step 2: Convert to fraction form
    15,028,778.79/20,739,078.33 = 8,502,519.29/x
  3. Step 3: Cross multiply
    15,028,778.79x = 20,739,078.33 × 8,502,519.29
  4. Step 4: Simplify right side
    15,028,778.79x = 176,334,413,453,950.59
  5. Step 5: Solve for x
    x = 176,334,413,453,950.59/15,028,778.79
  6. Step 6: Final answer
    x = 11,733,116.57

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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.