Home / 12,311,969.60-16,988,179.20-7,726,224.26

Finding the Fourth Proportional to 12,311,969.60, 16,988,179.20 and 7,726,224.26

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Solution

The fourth proportional to 12,311,969.60, 16,988,179.20 and 7,726,224.26 is: 10,660,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,969.60 : 16,988,179.20 = 7,726,224.26 : x
  2. Step 2: Convert to fraction form
    12,311,969.60/16,988,179.20 = 7,726,224.26/x
  3. Step 3: Cross multiply
    12,311,969.60x = 16,988,179.20 × 7,726,224.26
  4. Step 4: Simplify right side
    12,311,969.60x = 131,254,482,268,267.38
  5. Step 5: Solve for x
    x = 131,254,482,268,267.38/12,311,969.60
  6. Step 6: Final answer
    x = 10,660,721.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.