Home / 7,087,778.80-9,777,734.04-5,151,036.40

Finding the Fourth Proportional to 7,087,778.80, 9,777,734.04 and 5,151,036.40

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Solution

The fourth proportional to 7,087,778.80, 9,777,734.04 and 5,151,036.40 is: 7,105,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087,778.80 : 9,777,734.04 = 5,151,036.40 : x
  2. Step 2: Convert to fraction form
    7,087,778.80/9,777,734.04 = 5,151,036.40/x
  3. Step 3: Cross multiply
    7,087,778.80x = 9,777,734.04 × 5,151,036.40
  4. Step 4: Simplify right side
    7,087,778.80x = 50,365,463,949,559.05
  5. Step 5: Solve for x
    x = 50,365,463,949,559.05/7,087,778.80
  6. Step 6: Final answer
    x = 7,105,958.77

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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.