Home / 6,120,823.80-9,181,235.70-5,742,910.20

Finding the Fourth Proportional to 6,120,823.80, 9,181,235.70 and 5,742,910.20

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Solution

The fourth proportional to 6,120,823.80, 9,181,235.70 and 5,742,910.20 is: 8,614,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,823.80 : 9,181,235.70 = 5,742,910.20 : x
  2. Step 2: Convert to fraction form
    6,120,823.80/9,181,235.70 = 5,742,910.20/x
  3. Step 3: Cross multiply
    6,120,823.80x = 9,181,235.70 × 5,742,910.20
  4. Step 4: Simplify right side
    6,120,823.80x = 52,727,012,150,134.14
  5. Step 5: Solve for x
    x = 52,727,012,150,134.14/6,120,823.80
  6. Step 6: Final answer
    x = 8,614,365.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.