Home / 25,378,866.23-35,022,879.81-13,776,437.57

Finding the Fourth Proportional to 25,378,866.23, 35,022,879.81 and 13,776,437.57

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Solution

The fourth proportional to 25,378,866.23, 35,022,879.81 and 13,776,437.57 is: 19,011,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378,866.23 : 35,022,879.81 = 13,776,437.57 : x
  2. Step 2: Convert to fraction form
    25,378,866.23/35,022,879.81 = 13,776,437.57/x
  3. Step 3: Cross multiply
    25,378,866.23x = 35,022,879.81 × 13,776,437.57
  4. Step 4: Simplify right side
    25,378,866.23x = 482,490,517,048,964.06
  5. Step 5: Solve for x
    x = 482,490,517,048,964.06/25,378,866.23
  6. Step 6: Final answer
    x = 19,011,507.95

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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.