Home / 8,881,089.78-12,256,201.08-5,442,666.78

Finding the Fourth Proportional to 8,881,089.78, 12,256,201.08 and 5,442,666.78

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Solution

The fourth proportional to 8,881,089.78, 12,256,201.08 and 5,442,666.78 is: 7,511,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881,089.78 : 12,256,201.08 = 5,442,666.78 : x
  2. Step 2: Convert to fraction form
    8,881,089.78/12,256,201.08 = 5,442,666.78/x
  3. Step 3: Cross multiply
    8,881,089.78x = 12,256,201.08 × 5,442,666.78
  4. Step 4: Simplify right side
    8,881,089.78x = 66,706,418,467,116.12
  5. Step 5: Solve for x
    x = 66,706,418,467,116.12/8,881,089.78
  6. Step 6: Final answer
    x = 7,511,062.28

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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.