Home / 12,856,588.55-19,284,829.82-4,657,310.90

Finding the Fourth Proportional to 12,856,588.55, 19,284,829.82 and 4,657,310.90

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Solution

The fourth proportional to 12,856,588.55, 19,284,829.82 and 4,657,310.90 is: 6,985,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,588.55 : 19,284,829.82 = 4,657,310.90 : x
  2. Step 2: Convert to fraction form
    12,856,588.55/19,284,829.82 = 4,657,310.90/x
  3. Step 3: Cross multiply
    12,856,588.55x = 19,284,829.82 × 4,657,310.90
  4. Step 4: Simplify right side
    12,856,588.55x = 89,815,448,040,550.17
  5. Step 5: Solve for x
    x = 89,815,448,040,550.17/12,856,588.55
  6. Step 6: Final answer
    x = 6,985,947.14

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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.