Home / 12,640,655.84-17,443,980.87-6,839,310.29

Finding the Fourth Proportional to 12,640,655.84, 17,443,980.87 and 6,839,310.29

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Solution

The fourth proportional to 12,640,655.84, 17,443,980.87 and 6,839,310.29 is: 9,438,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640,655.84 : 17,443,980.87 = 6,839,310.29 : x
  2. Step 2: Convert to fraction form
    12,640,655.84/17,443,980.87 = 6,839,310.29/x
  3. Step 3: Cross multiply
    12,640,655.84x = 17,443,980.87 × 6,839,310.29
  4. Step 4: Simplify right side
    12,640,655.84x = 119,304,797,862,754.16
  5. Step 5: Solve for x
    x = 119,304,797,862,754.16/12,640,655.84
  6. Step 6: Final answer
    x = 9,438,181.01

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1.5x scale

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.