Home / 25,378,930.40-35,022,968.72-13,776,501.92

Finding the Fourth Proportional to 25,378,930.40, 35,022,968.72 and 13,776,501.92

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Solution

The fourth proportional to 25,378,930.40, 35,022,968.72 and 13,776,501.92 is: 19,011,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378,930.40 : 35,022,968.72 = 13,776,501.92 : x
  2. Step 2: Convert to fraction form
    25,378,930.40/35,022,968.72 = 13,776,501.92/x
  3. Step 3: Cross multiply
    25,378,930.40x = 35,022,968.72 × 13,776,501.92
  4. Step 4: Simplify right side
    25,378,930.40x = 482,493,995,815,179.94
  5. Step 5: Solve for x
    x = 482,493,995,815,179.94/25,378,930.40
  6. Step 6: Final answer
    x = 19,011,596.95

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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.