Home / 27,680,462.58-38,198,298.30-15,290,289.35

Finding the Fourth Proportional to 27,680,462.58, 38,198,298.30 and 15,290,289.35

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Solution

The fourth proportional to 27,680,462.58, 38,198,298.30 and 15,290,289.35 is: 21,100,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680,462.58 : 38,198,298.30 = 15,290,289.35 : x
  2. Step 2: Convert to fraction form
    27,680,462.58/38,198,298.30 = 15,290,289.35/x
  3. Step 3: Cross multiply
    27,680,462.58x = 38,198,298.30 × 15,290,289.35
  4. Step 4: Simplify right side
    27,680,462.58x = 584,063,033,579,526.62
  5. Step 5: Solve for x
    x = 584,063,033,579,526.62/27,680,462.58
  6. Step 6: Final answer
    x = 21,100,190.50

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Double scale
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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.