Home / 18,637,708.38-27,958,475.47-7,132,853.37

Finding the Fourth Proportional to 18,637,708.38, 27,958,475.47 and 7,132,853.37

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Solution

The fourth proportional to 18,637,708.38, 27,958,475.47 and 7,132,853.37 is: 10,700,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637,708.38 : 27,958,475.47 = 7,132,853.37 : x
  2. Step 2: Convert to fraction form
    18,637,708.38/27,958,475.47 = 7,132,853.37/x
  3. Step 3: Cross multiply
    18,637,708.38x = 27,958,475.47 × 7,132,853.37
  4. Step 4: Simplify right side
    18,637,708.38x = 199,423,705,976,251.84
  5. Step 5: Solve for x
    x = 199,423,705,976,251.84/18,637,708.38
  6. Step 6: Final answer
    x = 10,700,012.14

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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.