Home / 20,023,769.28-30,017,840.76-7,241,432.22

Finding the Fourth Proportional to 20,023,769.28, 30,017,840.76 and 7,241,432.22

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Solution

The fourth proportional to 20,023,769.28, 30,017,840.76 and 7,241,432.22 is: 10,855,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023,769.28 : 30,017,840.76 = 7,241,432.22 : x
  2. Step 2: Convert to fraction form
    20,023,769.28/30,017,840.76 = 7,241,432.22/x
  3. Step 3: Cross multiply
    20,023,769.28x = 30,017,840.76 × 7,241,432.22
  4. Step 4: Simplify right side
    20,023,769.28x = 217,372,159,254,293.28
  5. Step 5: Solve for x
    x = 217,372,159,254,293.28/20,023,769.28
  6. Step 6: Final answer
    x = 10,855,706.35

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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.