Home / 7,206,140-9,944,599.28-3,943,240.80

Finding the Fourth Proportional to 7,206,140, 9,944,599.28 and 3,943,240.80

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Solution

The fourth proportional to 7,206,140, 9,944,599.28 and 3,943,240.80 is: 5,441,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206,140 : 9,944,599.28 = 3,943,240.80 : x
  2. Step 2: Convert to fraction form
    7,206,140/9,944,599.28 = 3,943,240.80/x
  3. Step 3: Cross multiply
    7,206,140x = 9,944,599.28 × 3,943,240.80
  4. Step 4: Simplify right side
    7,206,140x = 39,213,949,620,546.62
  5. Step 5: Solve for x
    x = 39,213,949,620,546.62/7,206,140
  6. Step 6: Final answer
    x = 5,441,741.30

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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.