Home / 12,680,082.18-17,498,504.50-6,878,865.02

Finding the Fourth Proportional to 12,680,082.18, 17,498,504.50 and 6,878,865.02

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Solution

The fourth proportional to 12,680,082.18, 17,498,504.50 and 6,878,865.02 is: 9,492,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680,082.18 : 17,498,504.50 = 6,878,865.02 : x
  2. Step 2: Convert to fraction form
    12,680,082.18/17,498,504.50 = 6,878,865.02/x
  3. Step 3: Cross multiply
    12,680,082.18x = 17,498,504.50 × 6,878,865.02
  4. Step 4: Simplify right side
    12,680,082.18x = 120,369,850,507,362.58
  5. Step 5: Solve for x
    x = 120,369,850,507,362.58/12,680,082.18
  6. Step 6: Final answer
    x = 9,492,828.89

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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.