Home / 20,324,188.34-30,492,271.28-8,187,406.34

Finding the Fourth Proportional to 20,324,188.34, 30,492,271.28 and 8,187,406.34

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Solution

The fourth proportional to 20,324,188.34, 30,492,271.28 and 8,187,406.34 is: 12,283,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324,188.34 : 30,492,271.28 = 8,187,406.34 : x
  2. Step 2: Convert to fraction form
    20,324,188.34/30,492,271.28 = 8,187,406.34/x
  3. Step 3: Cross multiply
    20,324,188.34x = 30,492,271.28 × 8,187,406.34
  4. Step 4: Simplify right side
    20,324,188.34x = 249,652,615,198,871.91
  5. Step 5: Solve for x
    x = 249,652,615,198,871.91/20,324,188.34
  6. Step 6: Final answer
    x = 12,283,522.03

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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.