Home / 18,635,114.80-27,943,220.04-8,529,079.60

Finding the Fourth Proportional to 18,635,114.80, 27,943,220.04 and 8,529,079.60

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Solution

The fourth proportional to 18,635,114.80, 27,943,220.04 and 8,529,079.60 is: 12,789,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635,114.80 : 27,943,220.04 = 8,529,079.60 : x
  2. Step 2: Convert to fraction form
    18,635,114.80/27,943,220.04 = 8,529,079.60/x
  3. Step 3: Cross multiply
    18,635,114.80x = 27,943,220.04 × 8,529,079.60
  4. Step 4: Simplify right side
    18,635,114.80x = 238,329,948,001,475.16
  5. Step 5: Solve for x
    x = 238,329,948,001,475.16/18,635,114.80
  6. Step 6: Final answer
    x = 12,789,293.25

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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.