Home / 12,856,282.56-17,742,181.65-7,055,271.90

Finding the Fourth Proportional to 12,856,282.56, 17,742,181.65 and 7,055,271.90

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Solution

The fourth proportional to 12,856,282.56, 17,742,181.65 and 7,055,271.90 is: 9,736,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,282.56 : 17,742,181.65 = 7,055,271.90 : x
  2. Step 2: Convert to fraction form
    12,856,282.56/17,742,181.65 = 7,055,271.90/x
  3. Step 3: Cross multiply
    12,856,282.56x = 17,742,181.65 × 7,055,271.90
  4. Step 4: Simplify right side
    12,856,282.56x = 125,175,915,639,940.62
  5. Step 5: Solve for x
    x = 125,175,915,639,940.62/12,856,282.56
  6. Step 6: Final answer
    x = 9,736,556.04

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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.