Home / 13,776,777.76-20,677,935.60-6,958,139.38

Finding the Fourth Proportional to 13,776,777.76, 20,677,935.60 and 6,958,139.38

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Solution

The fourth proportional to 13,776,777.76, 20,677,935.60 and 6,958,139.38 is: 10,443,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776,777.76 : 20,677,935.60 = 6,958,139.38 : x
  2. Step 2: Convert to fraction form
    13,776,777.76/20,677,935.60 = 6,958,139.38/x
  3. Step 3: Cross multiply
    13,776,777.76x = 20,677,935.60 × 6,958,139.38
  4. Step 4: Simplify right side
    13,776,777.76x = 143,879,957,995,463.94
  5. Step 5: Solve for x
    x = 143,879,957,995,463.94/13,776,777.76
  6. Step 6: Final answer
    x = 10,443,658.20

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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.