Home / 6,513,808.16-8,989,467-3,761,003.90

Finding the Fourth Proportional to 6,513,808.16, 8,989,467 and 3,761,003.90

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Solution

The fourth proportional to 6,513,808.16, 8,989,467 and 3,761,003.90 is: 5,190,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,808.16 : 8,989,467 = 3,761,003.90 : x
  2. Step 2: Convert to fraction form
    6,513,808.16/8,989,467 = 3,761,003.90/x
  3. Step 3: Cross multiply
    6,513,808.16x = 8,989,467 × 3,761,003.90
  4. Step 4: Simplify right side
    6,513,808.16x = 33,809,420,445,921.30
  5. Step 5: Solve for x
    x = 33,809,420,445,921.30/6,513,808.16
  6. Step 6: Final answer
    x = 5,190,423.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.