Home / 18,587,169.42-27,869,928.48-7,214,332.02

Finding the Fourth Proportional to 18,587,169.42, 27,869,928.48 and 7,214,332.02

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Solution

The fourth proportional to 18,587,169.42, 27,869,928.48 and 7,214,332.02 is: 10,817,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587,169.42 : 27,869,928.48 = 7,214,332.02 : x
  2. Step 2: Convert to fraction form
    18,587,169.42/27,869,928.48 = 7,214,332.02/x
  3. Step 3: Cross multiply
    18,587,169.42x = 27,869,928.48 × 7,214,332.02
  4. Step 4: Simplify right side
    18,587,169.42x = 201,062,917,428,373.91
  5. Step 5: Solve for x
    x = 201,062,917,428,373.91/18,587,169.42
  6. Step 6: Final answer
    x = 10,817,296.22

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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.