Home / 12,950,276.80-19,430,858.40-6,959,646.40

Finding the Fourth Proportional to 12,950,276.80, 19,430,858.40 and 6,959,646.40

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Solution

The fourth proportional to 12,950,276.80, 19,430,858.40 and 6,959,646.40 is: 10,442,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,276.80 : 19,430,858.40 = 6,959,646.40 : x
  2. Step 2: Convert to fraction form
    12,950,276.80/19,430,858.40 = 6,959,646.40/x
  3. Step 3: Cross multiply
    12,950,276.80x = 19,430,858.40 × 6,959,646.40
  4. Step 4: Simplify right side
    12,950,276.80x = 135,231,903,712,469.75
  5. Step 5: Solve for x
    x = 135,231,903,712,469.75/12,950,276.80
  6. Step 6: Final answer
    x = 10,442,394.85

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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.