Home / 18,666,019.80-27,999,029.70-5,887,816.20

Finding the Fourth Proportional to 18,666,019.80, 27,999,029.70 and 5,887,816.20

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Solution

The fourth proportional to 18,666,019.80, 27,999,029.70 and 5,887,816.20 is: 8,831,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666,019.80 : 27,999,029.70 = 5,887,816.20 : x
  2. Step 2: Convert to fraction form
    18,666,019.80/27,999,029.70 = 5,887,816.20/x
  3. Step 3: Cross multiply
    18,666,019.80x = 27,999,029.70 × 5,887,816.20
  4. Step 4: Simplify right side
    18,666,019.80x = 164,853,140,651,941.16
  5. Step 5: Solve for x
    x = 164,853,140,651,941.16/18,666,019.80
  6. Step 6: Final answer
    x = 8,831,724.30

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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.