Home / 39,106,853.47-58,660,280.30-20,855,754.66

Finding the Fourth Proportional to 39,106,853.47, 58,660,280.30 and 20,855,754.66

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Solution

The fourth proportional to 39,106,853.47, 58,660,280.30 and 20,855,754.66 is: 31,283,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106,853.47 : 58,660,280.30 = 20,855,754.66 : x
  2. Step 2: Convert to fraction form
    39,106,853.47/58,660,280.30 = 20,855,754.66/x
  3. Step 3: Cross multiply
    39,106,853.47x = 58,660,280.30 × 20,855,754.66
  4. Step 4: Simplify right side
    39,106,853.47x = 1,223,404,414,223,631.25
  5. Step 5: Solve for x
    x = 1,223,404,414,223,631.25/39,106,853.47
  6. Step 6: Final answer
    x = 31,283,632.04

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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.