Home / 12,863,780.58-17,751,221.86-7,062,529.80

Finding the Fourth Proportional to 12,863,780.58, 17,751,221.86 and 7,062,529.80

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Solution

The fourth proportional to 12,863,780.58, 17,751,221.86 and 7,062,529.80 is: 9,745,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863,780.58 : 17,751,221.86 = 7,062,529.80 : x
  2. Step 2: Convert to fraction form
    12,863,780.58/17,751,221.86 = 7,062,529.80/x
  3. Step 3: Cross multiply
    12,863,780.58x = 17,751,221.86 × 7,062,529.80
  4. Step 4: Simplify right side
    12,863,780.58x = 125,368,533,372,661.42
  5. Step 5: Solve for x
    x = 125,368,533,372,661.42/12,863,780.58
  6. Step 6: Final answer
    x = 9,745,854.46

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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.