Home / 12,779,822.32-19,169,733.43-3,195,200.85

Finding the Fourth Proportional to 12,779,822.32, 19,169,733.43 and 3,195,200.85

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Solution

The fourth proportional to 12,779,822.32, 19,169,733.43 and 3,195,200.85 is: 4,792,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,822.32 : 19,169,733.43 = 3,195,200.85 : x
  2. Step 2: Convert to fraction form
    12,779,822.32/19,169,733.43 = 3,195,200.85/x
  3. Step 3: Cross multiply
    12,779,822.32x = 19,169,733.43 × 3,195,200.85
  4. Step 4: Simplify right side
    12,779,822.32x = 61,251,148,517,858.79
  5. Step 5: Solve for x
    x = 61,251,148,517,858.79/12,779,822.32
  6. Step 6: Final answer
    x = 4,792,801.26

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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.