Home / 20,019,876.37-30,032,176.51-15,003,073.33

Finding the Fourth Proportional to 20,019,876.37, 30,032,176.51 and 15,003,073.33

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Solution

The fourth proportional to 20,019,876.37, 30,032,176.51 and 15,003,073.33 is: 22,506,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,876.37 : 30,032,176.51 = 15,003,073.33 : x
  2. Step 2: Convert to fraction form
    20,019,876.37/30,032,176.51 = 15,003,073.33/x
  3. Step 3: Cross multiply
    20,019,876.37x = 30,032,176.51 × 15,003,073.33
  4. Step 4: Simplify right side
    20,019,876.37x = 450,574,946,382,706.88
  5. Step 5: Solve for x
    x = 450,574,946,382,706.88/20,019,876.37
  6. Step 6: Final answer
    x = 22,506,380.07

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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.