Home / 12,961,315.62-17,887,159-7,454,692.01

Finding the Fourth Proportional to 12,961,315.62, 17,887,159 and 7,454,692.01

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Solution

The fourth proportional to 12,961,315.62, 17,887,159 and 7,454,692.01 is: 10,287,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,315.62 : 17,887,159 = 7,454,692.01 : x
  2. Step 2: Convert to fraction form
    12,961,315.62/17,887,159 = 7,454,692.01/x
  3. Step 3: Cross multiply
    12,961,315.62x = 17,887,159 × 7,454,692.01
  4. Step 4: Simplify right side
    12,961,315.62x = 133,343,261,278,899.59
  5. Step 5: Solve for x
    x = 133,343,261,278,899.59/12,961,315.62
  6. Step 6: Final answer
    x = 10,287,787.54

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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.