Home / 12,482,695.40-18,711,140.70-6,790,893.80

Finding the Fourth Proportional to 12,482,695.40, 18,711,140.70 and 6,790,893.80

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Solution

The fourth proportional to 12,482,695.40, 18,711,140.70 and 6,790,893.80 is: 10,179,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,695.40 : 18,711,140.70 = 6,790,893.80 : x
  2. Step 2: Convert to fraction form
    12,482,695.40/18,711,140.70 = 6,790,893.80/x
  3. Step 3: Cross multiply
    12,482,695.40x = 18,711,140.70 × 6,790,893.80
  4. Step 4: Simplify right side
    12,482,695.40x = 127,065,369,370,557.66
  5. Step 5: Solve for x
    x = 127,065,369,370,557.66/12,482,695.40
  6. Step 6: Final answer
    x = 10,179,321.48

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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.