Home / 18,631,781.31-27,950,705.52-5,502,527.76

Finding the Fourth Proportional to 18,631,781.31, 27,950,705.52 and 5,502,527.76

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Solution

The fourth proportional to 18,631,781.31, 27,950,705.52 and 5,502,527.76 is: 8,254,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631,781.31 : 27,950,705.52 = 5,502,527.76 : x
  2. Step 2: Convert to fraction form
    18,631,781.31/27,950,705.52 = 5,502,527.76/x
  3. Step 3: Cross multiply
    18,631,781.31x = 27,950,705.52 × 5,502,527.76
  4. Step 4: Simplify right side
    18,631,781.31x = 153,799,533,035,385.22
  5. Step 5: Solve for x
    x = 153,799,533,035,385.22/18,631,781.31
  6. Step 6: Final answer
    x = 8,254,687.54

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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.