Home / 18,017,115.53-27,030,281.87-5,237,620.22

Finding the Fourth Proportional to 18,017,115.53, 27,030,281.87 and 5,237,620.22

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Solution

The fourth proportional to 18,017,115.53, 27,030,281.87 and 5,237,620.22 is: 7,857,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017,115.53 : 27,030,281.87 = 5,237,620.22 : x
  2. Step 2: Convert to fraction form
    18,017,115.53/27,030,281.87 = 5,237,620.22/x
  3. Step 3: Cross multiply
    18,017,115.53x = 27,030,281.87 × 5,237,620.22
  4. Step 4: Simplify right side
    18,017,115.53x = 141,574,350,955,281.16
  5. Step 5: Solve for x
    x = 141,574,350,955,281.16/18,017,115.53
  6. Step 6: Final answer
    x = 7,857,770.06

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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.