Home / 8,788,147.57-13,177,415.82-6,978,139.45

Finding the Fourth Proportional to 8,788,147.57, 13,177,415.82 and 6,978,139.45

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Solution

The fourth proportional to 8,788,147.57, 13,177,415.82 and 6,978,139.45 is: 10,463,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,147.57 : 13,177,415.82 = 6,978,139.45 : x
  2. Step 2: Convert to fraction form
    8,788,147.57/13,177,415.82 = 6,978,139.45/x
  3. Step 3: Cross multiply
    8,788,147.57x = 13,177,415.82 × 6,978,139.45
  4. Step 4: Simplify right side
    8,788,147.57x = 91,953,845,182,596.11
  5. Step 5: Solve for x
    x = 91,953,845,182,596.11/8,788,147.57
  6. Step 6: Final answer
    x = 10,463,393.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.