Home / 18,126,937.55-27,190,139.81-4,480,085.09

Finding the Fourth Proportional to 18,126,937.55, 27,190,139.81 and 4,480,085.09

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Solution

The fourth proportional to 18,126,937.55, 27,190,139.81 and 4,480,085.09 is: 6,720,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,937.55 : 27,190,139.81 = 4,480,085.09 : x
  2. Step 2: Convert to fraction form
    18,126,937.55/27,190,139.81 = 4,480,085.09/x
  3. Step 3: Cross multiply
    18,126,937.55x = 27,190,139.81 × 4,480,085.09
  4. Step 4: Simplify right side
    18,126,937.55x = 121,814,140,003,371.36
  5. Step 5: Solve for x
    x = 121,814,140,003,371.36/18,126,937.55
  6. Step 6: Final answer
    x = 6,720,061.77

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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.