Home / 7,185,866.68-9,915,169.28-4,088,209.20

Finding the Fourth Proportional to 7,185,866.68, 9,915,169.28 and 4,088,209.20

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Solution

The fourth proportional to 7,185,866.68, 9,915,169.28 and 4,088,209.20 is: 5,640,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,866.68 : 9,915,169.28 = 4,088,209.20 : x
  2. Step 2: Convert to fraction form
    7,185,866.68/9,915,169.28 = 4,088,209.20/x
  3. Step 3: Cross multiply
    7,185,866.68x = 9,915,169.28 × 4,088,209.20
  4. Step 4: Simplify right side
    7,185,866.68x = 40,535,286,220,477.52
  5. Step 5: Solve for x
    x = 40,535,286,220,477.52/7,185,866.68
  6. Step 6: Final answer
    x = 5,640,973.88

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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.