Home / 18,587,158.51-27,869,912.11-7,214,321.11

Finding the Fourth Proportional to 18,587,158.51, 27,869,912.11 and 7,214,321.11

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Solution

The fourth proportional to 18,587,158.51, 27,869,912.11 and 7,214,321.11 is: 10,817,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587,158.51 : 27,869,912.11 = 7,214,321.11 : x
  2. Step 2: Convert to fraction form
    18,587,158.51/27,869,912.11 = 7,214,321.11/x
  3. Step 3: Cross multiply
    18,587,158.51x = 27,869,912.11 × 7,214,321.11
  4. Step 4: Simplify right side
    18,587,158.51x = 201,062,495,199,342.84
  5. Step 5: Solve for x
    x = 201,062,495,199,342.84/18,587,158.51
  6. Step 6: Final answer
    x = 10,817,279.85

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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.