Home / 18,264,621.12-27,400,858.02-5,310,996.90

Finding the Fourth Proportional to 18,264,621.12, 27,400,858.02 and 5,310,996.90

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Solution

The fourth proportional to 18,264,621.12, 27,400,858.02 and 5,310,996.90 is: 7,967,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264,621.12 : 27,400,858.02 = 5,310,996.90 : x
  2. Step 2: Convert to fraction form
    18,264,621.12/27,400,858.02 = 5,310,996.90/x
  3. Step 3: Cross multiply
    18,264,621.12x = 27,400,858.02 × 5,310,996.90
  4. Step 4: Simplify right side
    18,264,621.12x = 145,525,872,001,560.16
  5. Step 5: Solve for x
    x = 145,525,872,001,560.16/18,264,621.12
  6. Step 6: Final answer
    x = 7,967,637.05

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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.