Home / 6,872,775.60-10,309,163.40-3,991,184.40

Finding the Fourth Proportional to 6,872,775.60, 10,309,163.40 and 3,991,184.40

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Solution

The fourth proportional to 6,872,775.60, 10,309,163.40 and 3,991,184.40 is: 5,986,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,775.60 : 10,309,163.40 = 3,991,184.40 : x
  2. Step 2: Convert to fraction form
    6,872,775.60/10,309,163.40 = 3,991,184.40/x
  3. Step 3: Cross multiply
    6,872,775.60x = 10,309,163.40 × 3,991,184.40
  4. Step 4: Simplify right side
    6,872,775.60x = 41,145,772,139,130.96
  5. Step 5: Solve for x
    x = 41,145,772,139,130.96/6,872,775.60
  6. Step 6: Final answer
    x = 5,986,776.60

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Double scale
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Similar ratio
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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.