Home / 12,872,056.20-19,308,084.30-6,804,443.40

Finding the Fourth Proportional to 12,872,056.20, 19,308,084.30 and 6,804,443.40

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Solution

The fourth proportional to 12,872,056.20, 19,308,084.30 and 6,804,443.40 is: 10,206,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,056.20 : 19,308,084.30 = 6,804,443.40 : x
  2. Step 2: Convert to fraction form
    12,872,056.20/19,308,084.30 = 6,804,443.40/x
  3. Step 3: Cross multiply
    12,872,056.20x = 19,308,084.30 × 6,804,443.40
  4. Step 4: Simplify right side
    12,872,056.20x = 131,380,766,781,778.62
  5. Step 5: Solve for x
    x = 131,380,766,781,778.62/12,872,056.20
  6. Step 6: Final answer
    x = 10,206,665.10

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1.5x scale

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.