Home / 26,907,009.10-40,360,513.65-18,829,105.90

Finding the Fourth Proportional to 26,907,009.10, 40,360,513.65 and 18,829,105.90

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Solution

The fourth proportional to 26,907,009.10, 40,360,513.65 and 18,829,105.90 is: 28,243,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,907,009.10 : 40,360,513.65 = 18,829,105.90 : x
  2. Step 2: Convert to fraction form
    26,907,009.10/40,360,513.65 = 18,829,105.90/x
  3. Step 3: Cross multiply
    26,907,009.10x = 40,360,513.65 × 18,829,105.90
  4. Step 4: Simplify right side
    26,907,009.10x = 759,952,385,694,245.50
  5. Step 5: Solve for x
    x = 759,952,385,694,245.50/26,907,009.10
  6. Step 6: Final answer
    x = 28,243,658.85

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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.