Home / 13,178,338.40-19,780,290.96-6,359,710.48

Finding the Fourth Proportional to 13,178,338.40, 19,780,290.96 and 6,359,710.48

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Solution

The fourth proportional to 13,178,338.40, 19,780,290.96 and 6,359,710.48 is: 9,545,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178,338.40 : 19,780,290.96 = 6,359,710.48 : x
  2. Step 2: Convert to fraction form
    13,178,338.40/19,780,290.96 = 6,359,710.48/x
  3. Step 3: Cross multiply
    13,178,338.40x = 19,780,290.96 × 6,359,710.48
  4. Step 4: Simplify right side
    13,178,338.40x = 125,796,923,715,761.28
  5. Step 5: Solve for x
    x = 125,796,923,715,761.28/13,178,338.40
  6. Step 6: Final answer
    x = 9,545,734.82

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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.