Home / 26,287,881.12-36,225,599.76-20,099,939.04

Finding the Fourth Proportional to 26,287,881.12, 36,225,599.76 and 20,099,939.04

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Solution

The fourth proportional to 26,287,881.12, 36,225,599.76 and 20,099,939.04 is: 27,698,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287,881.12 : 36,225,599.76 = 20,099,939.04 : x
  2. Step 2: Convert to fraction form
    26,287,881.12/36,225,599.76 = 20,099,939.04/x
  3. Step 3: Cross multiply
    26,287,881.12x = 36,225,599.76 × 20,099,939.04
  4. Step 4: Simplify right side
    26,287,881.12x = 728,132,346,863,438.50
  5. Step 5: Solve for x
    x = 728,132,346,863,438.50/26,287,881.12
  6. Step 6: Final answer
    x = 27,698,403.82

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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.