Home / 7,640,367.80-10,543,500.74-4,333,268.58

Finding the Fourth Proportional to 7,640,367.80, 10,543,500.74 and 4,333,268.58

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Solution

The fourth proportional to 7,640,367.80, 10,543,500.74 and 4,333,268.58 is: 5,979,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640,367.80 : 10,543,500.74 = 4,333,268.58 : x
  2. Step 2: Convert to fraction form
    7,640,367.80/10,543,500.74 = 4,333,268.58/x
  3. Step 3: Cross multiply
    7,640,367.80x = 10,543,500.74 × 4,333,268.58
  4. Step 4: Simplify right side
    7,640,367.80x = 45,687,820,479,848.75
  5. Step 5: Solve for x
    x = 45,687,820,479,848.75/7,640,367.80
  6. Step 6: Final answer
    x = 5,979,793.34

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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.