Home / 8,805,420.90-13,210,427.70-3,414,247.20

Finding the Fourth Proportional to 8,805,420.90, 13,210,427.70 and 3,414,247.20

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Solution

The fourth proportional to 8,805,420.90, 13,210,427.70 and 3,414,247.20 is: 5,122,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,420.90 : 13,210,427.70 = 3,414,247.20 : x
  2. Step 2: Convert to fraction form
    8,805,420.90/13,210,427.70 = 3,414,247.20/x
  3. Step 3: Cross multiply
    8,805,420.90x = 13,210,427.70 × 3,414,247.20
  4. Step 4: Simplify right side
    8,805,420.90x = 45,103,665,785,527.44
  5. Step 5: Solve for x
    x = 45,103,665,785,527.44/8,805,420.90
  6. Step 6: Final answer
    x = 5,122,261.20

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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.