Home / 13,484,881.10-20,227,321.65-8,949,917.90

Finding the Fourth Proportional to 13,484,881.10, 20,227,321.65 and 8,949,917.90

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Solution

The fourth proportional to 13,484,881.10, 20,227,321.65 and 8,949,917.90 is: 13,424,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,881.10 : 20,227,321.65 = 8,949,917.90 : x
  2. Step 2: Convert to fraction form
    13,484,881.10/20,227,321.65 = 8,949,917.90/x
  3. Step 3: Cross multiply
    13,484,881.10x = 20,227,321.65 × 8,949,917.90
  4. Step 4: Simplify right side
    13,484,881.10x = 181,032,868,104,392.53
  5. Step 5: Solve for x
    x = 181,032,868,104,392.53/13,484,881.10
  6. Step 6: Final answer
    x = 13,424,876.85

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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.