Home / 14,991,107.34-20,687,774.73-8,115,573

Finding the Fourth Proportional to 14,991,107.34, 20,687,774.73 and 8,115,573

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Solution

The fourth proportional to 14,991,107.34, 20,687,774.73 and 8,115,573 is: 11,199,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991,107.34 : 20,687,774.73 = 8,115,573 : x
  2. Step 2: Convert to fraction form
    14,991,107.34/20,687,774.73 = 8,115,573/x
  3. Step 3: Cross multiply
    14,991,107.34x = 20,687,774.73 × 8,115,573
  4. Step 4: Simplify right side
    14,991,107.34x = 167,893,146,028,870.28
  5. Step 5: Solve for x
    x = 167,893,146,028,870.28/14,991,107.34
  6. Step 6: Final answer
    x = 11,199,515.97

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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.