Home / 18,954,171.84-28,430,785.44-8,868,077.76

Finding the Fourth Proportional to 18,954,171.84, 28,430,785.44 and 8,868,077.76

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Solution

The fourth proportional to 18,954,171.84, 28,430,785.44 and 8,868,077.76 is: 13,301,895.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,171.84 : 28,430,785.44 = 8,868,077.76 : x
  2. Step 2: Convert to fraction form
    18,954,171.84/28,430,785.44 = 8,868,077.76/x
  3. Step 3: Cross multiply
    18,954,171.84x = 28,430,785.44 × 8,868,077.76
  4. Step 4: Simplify right side
    18,954,171.84x = 252,126,416,059,795.81
  5. Step 5: Solve for x
    x = 252,126,416,059,795.81/18,954,171.84
  6. Step 6: Final answer
    x = 13,301,895.66

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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.