Home / 12,848,443.20-17,730,876.96-7,047,272.16

Finding the Fourth Proportional to 12,848,443.20, 17,730,876.96 and 7,047,272.16

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Solution

The fourth proportional to 12,848,443.20, 17,730,876.96 and 7,047,272.16 is: 9,725,249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848,443.20 : 17,730,876.96 = 7,047,272.16 : x
  2. Step 2: Convert to fraction form
    12,848,443.20/17,730,876.96 = 7,047,272.16/x
  3. Step 3: Cross multiply
    12,848,443.20x = 17,730,876.96 × 7,047,272.16
  4. Step 4: Simplify right side
    12,848,443.20x = 124,954,315,572,593.44
  5. Step 5: Solve for x
    x = 124,954,315,572,593.44/12,848,443.20
  6. Step 6: Final answer
    x = 9,725,249.48

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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.