Home / 27,530,018.75-37,991,425.88-15,306,875.75

Finding the Fourth Proportional to 27,530,018.75, 37,991,425.88 and 15,306,875.75

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Solution

The fourth proportional to 27,530,018.75, 37,991,425.88 and 15,306,875.75 is: 21,123,488.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530,018.75 : 37,991,425.88 = 15,306,875.75 : x
  2. Step 2: Convert to fraction form
    27,530,018.75/37,991,425.88 = 15,306,875.75/x
  3. Step 3: Cross multiply
    27,530,018.75x = 37,991,425.88 × 15,306,875.75
  4. Step 4: Simplify right side
    27,530,018.75x = 581,530,035,510,494.50
  5. Step 5: Solve for x
    x = 581,530,035,510,494.50/27,530,018.75
  6. Step 6: Final answer
    x = 21,123,488.54

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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.