Home / 6,640,235.20-9,163,282.62-3,699,900.28

Finding the Fourth Proportional to 6,640,235.20, 9,163,282.62 and 3,699,900.28

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Solution

The fourth proportional to 6,640,235.20, 9,163,282.62 and 3,699,900.28 is: 5,105,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,235.20 : 9,163,282.62 = 3,699,900.28 : x
  2. Step 2: Convert to fraction form
    6,640,235.20/9,163,282.62 = 3,699,900.28/x
  3. Step 3: Cross multiply
    6,640,235.20x = 9,163,282.62 × 3,699,900.28
  4. Step 4: Simplify right side
    6,640,235.20x = 33,903,231,931,457.13
  5. Step 5: Solve for x
    x = 33,903,231,931,457.13/6,640,235.20
  6. Step 6: Final answer
    x = 5,105,727.57

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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.