Home / 7,772,912.40-11,643,622.20-4,403,182.80

Finding the Fourth Proportional to 7,772,912.40, 11,643,622.20 and 4,403,182.80

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Solution

The fourth proportional to 7,772,912.40, 11,643,622.20 and 4,403,182.80 is: 6,595,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,912.40 : 11,643,622.20 = 4,403,182.80 : x
  2. Step 2: Convert to fraction form
    7,772,912.40/11,643,622.20 = 4,403,182.80/x
  3. Step 3: Cross multiply
    7,772,912.40x = 11,643,622.20 × 4,403,182.80
  4. Step 4: Simplify right side
    7,772,912.40x = 51,268,997,000,738.16
  5. Step 5: Solve for x
    x = 51,268,997,000,738.16/7,772,912.40
  6. Step 6: Final answer
    x = 6,595,854.21

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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.