Home / 8,561,506.32-11,815,361.40-5,078,907

Finding the Fourth Proportional to 8,561,506.32, 11,815,361.40 and 5,078,907

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Solution

The fourth proportional to 8,561,506.32, 11,815,361.40 and 5,078,907 is: 7,009,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561,506.32 : 11,815,361.40 = 5,078,907 : x
  2. Step 2: Convert to fraction form
    8,561,506.32/11,815,361.40 = 5,078,907/x
  3. Step 3: Cross multiply
    8,561,506.32x = 11,815,361.40 × 5,078,907
  4. Step 4: Simplify right side
    8,561,506.32x = 60,009,121,721,989.80
  5. Step 5: Solve for x
    x = 60,009,121,721,989.80/8,561,506.32
  6. Step 6: Final answer
    x = 7,009,178.00

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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.