Home / 25,888,977.80-38,858,349.90-13,123,896.20

Finding the Fourth Proportional to 25,888,977.80, 38,858,349.90 and 13,123,896.20

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Solution

The fourth proportional to 25,888,977.80, 38,858,349.90 and 13,123,896.20 is: 19,698,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888,977.80 : 38,858,349.90 = 13,123,896.20 : x
  2. Step 2: Convert to fraction form
    25,888,977.80/38,858,349.90 = 13,123,896.20/x
  3. Step 3: Cross multiply
    25,888,977.80x = 38,858,349.90 × 13,123,896.20
  4. Step 4: Simplify right side
    25,888,977.80x = 509,972,950,590,880.31
  5. Step 5: Solve for x
    x = 509,972,950,590,880.31/25,888,977.80
  6. Step 6: Final answer
    x = 19,698,458.34

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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.