Home / 13,872,005.70-20,808,008.55-10,067,640.90

Finding the Fourth Proportional to 13,872,005.70, 20,808,008.55 and 10,067,640.90

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Solution

The fourth proportional to 13,872,005.70, 20,808,008.55 and 10,067,640.90 is: 15,101,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,005.70 : 20,808,008.55 = 10,067,640.90 : x
  2. Step 2: Convert to fraction form
    13,872,005.70/20,808,008.55 = 10,067,640.90/x
  3. Step 3: Cross multiply
    13,872,005.70x = 20,808,008.55 × 10,067,640.90
  4. Step 4: Simplify right side
    13,872,005.70x = 209,487,557,925,529.72
  5. Step 5: Solve for x
    x = 209,487,557,925,529.72/13,872,005.70
  6. Step 6: Final answer
    x = 15,101,461.35

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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.