Home / 12,855,583.31-17,740,679.54-6,975,215.57

Finding the Fourth Proportional to 12,855,583.31, 17,740,679.54 and 6,975,215.57

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Solution

The fourth proportional to 12,855,583.31, 17,740,679.54 and 6,975,215.57 is: 9,625,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,855,583.31 : 17,740,679.54 = 6,975,215.57 : x
  2. Step 2: Convert to fraction form
    12,855,583.31/17,740,679.54 = 6,975,215.57/x
  3. Step 3: Cross multiply
    12,855,583.31x = 17,740,679.54 × 6,975,215.57
  4. Step 4: Simplify right side
    12,855,583.31x = 123,745,064,159,264.06
  5. Step 5: Solve for x
    x = 123,745,064,159,264.06/12,855,583.31
  6. Step 6: Final answer
    x = 9,625,783.69

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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.