Home / 20,315,034.36-28,034,732.34-11,613,398.76

Finding the Fourth Proportional to 20,315,034.36, 28,034,732.34 and 11,613,398.76

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Solution

The fourth proportional to 20,315,034.36, 28,034,732.34 and 11,613,398.76 is: 16,026,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,315,034.36 : 28,034,732.34 = 11,613,398.76 : x
  2. Step 2: Convert to fraction form
    20,315,034.36/28,034,732.34 = 11,613,398.76/x
  3. Step 3: Cross multiply
    20,315,034.36x = 28,034,732.34 × 11,613,398.76
  4. Step 4: Simplify right side
    20,315,034.36x = 325,578,525,794,287.88
  5. Step 5: Solve for x
    x = 325,578,525,794,287.88/20,315,034.36
  6. Step 6: Final answer
    x = 16,026,481.67

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1.5x scale

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.