Home / 12,984,544.08-17,917,113.06-7,479,719.28

Finding the Fourth Proportional to 12,984,544.08, 17,917,113.06 and 7,479,719.28

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Solution

The fourth proportional to 12,984,544.08, 17,917,113.06 and 7,479,719.28 is: 10,321,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,544.08 : 17,917,113.06 = 7,479,719.28 : x
  2. Step 2: Convert to fraction form
    12,984,544.08/17,917,113.06 = 7,479,719.28/x
  3. Step 3: Cross multiply
    12,984,544.08x = 17,917,113.06 × 7,479,719.28
  4. Step 4: Simplify right side
    12,984,544.08x = 134,014,975,996,821.80
  5. Step 5: Solve for x
    x = 134,014,975,996,821.80/12,984,544.08
  6. Step 6: Final answer
    x = 10,321,115.26

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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.