Home / 27,515,451.18-37,971,445.33-15,126,342.67

Finding the Fourth Proportional to 27,515,451.18, 37,971,445.33 and 15,126,342.67

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Solution

The fourth proportional to 27,515,451.18, 37,971,445.33 and 15,126,342.67 is: 20,874,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515,451.18 : 37,971,445.33 = 15,126,342.67 : x
  2. Step 2: Convert to fraction form
    27,515,451.18/37,971,445.33 = 15,126,342.67/x
  3. Step 3: Cross multiply
    27,515,451.18x = 37,971,445.33 × 15,126,342.67
  4. Step 4: Simplify right side
    27,515,451.18x = 574,369,093,718,037.88
  5. Step 5: Solve for x
    x = 574,369,093,718,037.88/27,515,451.18
  6. Step 6: Final answer
    x = 20,874,420.34

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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.