Home / 8,761,679.20-13,144,477.20-3,082,088.80

Finding the Fourth Proportional to 8,761,679.20, 13,144,477.20 and 3,082,088.80

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Solution

The fourth proportional to 8,761,679.20, 13,144,477.20 and 3,082,088.80 is: 4,623,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,679.20 : 13,144,477.20 = 3,082,088.80 : x
  2. Step 2: Convert to fraction form
    8,761,679.20/13,144,477.20 = 3,082,088.80/x
  3. Step 3: Cross multiply
    8,761,679.20x = 13,144,477.20 × 3,082,088.80
  4. Step 4: Simplify right side
    8,761,679.20x = 40,512,445,959,975.35
  5. Step 5: Solve for x
    x = 40,512,445,959,975.35/8,761,679.20
  6. Step 6: Final answer
    x = 4,623,822.10

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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.