Home / 15,028,778.29-20,739,077.64-8,502,518.79

Finding the Fourth Proportional to 15,028,778.29, 20,739,077.64 and 8,502,518.79

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Solution

The fourth proportional to 15,028,778.29, 20,739,077.64 and 8,502,518.79 is: 11,733,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,778.29 : 20,739,077.64 = 8,502,518.79 : x
  2. Step 2: Convert to fraction form
    15,028,778.29/20,739,077.64 = 8,502,518.79/x
  3. Step 3: Cross multiply
    15,028,778.29x = 20,739,077.64 × 8,502,518.79
  4. Step 4: Simplify right side
    15,028,778.29x = 176,334,397,321,368.84
  5. Step 5: Solve for x
    x = 176,334,397,321,368.84/15,028,778.29
  6. Step 6: Final answer
    x = 11,733,115.89

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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.