Home / 12,950,308.80-19,430,906.40-6,959,678.40

Finding the Fourth Proportional to 12,950,308.80, 19,430,906.40 and 6,959,678.40

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Solution

The fourth proportional to 12,950,308.80, 19,430,906.40 and 6,959,678.40 is: 10,442,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,308.80 : 19,430,906.40 = 6,959,678.40 : x
  2. Step 2: Convert to fraction form
    12,950,308.80/19,430,906.40 = 6,959,678.40/x
  3. Step 3: Cross multiply
    12,950,308.80x = 19,430,906.40 × 6,959,678.40
  4. Step 4: Simplify right side
    12,950,308.80x = 135,232,859,564,501.75
  5. Step 5: Solve for x
    x = 135,232,859,564,501.75/12,950,308.80
  6. Step 6: Final answer
    x = 10,442,442.85

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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.