Home / 20,169,731.80-30,250,661.10-6,706,559.80

Finding the Fourth Proportional to 20,169,731.80, 30,250,661.10 and 6,706,559.80

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Solution

The fourth proportional to 20,169,731.80, 30,250,661.10 and 6,706,559.80 is: 10,058,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,731.80 : 30,250,661.10 = 6,706,559.80 : x
  2. Step 2: Convert to fraction form
    20,169,731.80/30,250,661.10 = 6,706,559.80/x
  3. Step 3: Cross multiply
    20,169,731.80x = 30,250,661.10 × 6,706,559.80
  4. Step 4: Simplify right side
    20,169,731.80x = 202,877,867,656,683.78
  5. Step 5: Solve for x
    x = 202,877,867,656,683.78/20,169,731.80
  6. Step 6: Final answer
    x = 10,058,530.76

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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.