Home / 18,643,057.40-27,964,588.13-5,689,275.98

Finding the Fourth Proportional to 18,643,057.40, 27,964,588.13 and 5,689,275.98

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Solution

The fourth proportional to 18,643,057.40, 27,964,588.13 and 5,689,275.98 is: 8,533,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643,057.40 : 27,964,588.13 = 5,689,275.98 : x
  2. Step 2: Convert to fraction form
    18,643,057.40/27,964,588.13 = 5,689,275.98/x
  3. Step 3: Cross multiply
    18,643,057.40x = 27,964,588.13 × 5,689,275.98
  4. Step 4: Simplify right side
    18,643,057.40x = 159,098,259,391,667.56
  5. Step 5: Solve for x
    x = 159,098,259,391,667.56/18,643,057.40
  6. Step 6: Final answer
    x = 8,533,914.58

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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.