Home / 28,908,872.34-43,324,778.03-15,258,809.85

Finding the Fourth Proportional to 28,908,872.34, 43,324,778.03 and 15,258,809.85

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Solution

The fourth proportional to 28,908,872.34, 43,324,778.03 and 15,258,809.85 is: 22,867,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908,872.34 : 43,324,778.03 = 15,258,809.85 : x
  2. Step 2: Convert to fraction form
    28,908,872.34/43,324,778.03 = 15,258,809.85/x
  3. Step 3: Cross multiply
    28,908,872.34x = 43,324,778.03 × 15,258,809.85
  4. Step 4: Simplify right side
    28,908,872.34x = 661,084,549,676,933.50
  5. Step 5: Solve for x
    x = 661,084,549,676,933.50/28,908,872.34
  6. Step 6: Final answer
    x = 22,867,877.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.