Home / 7,315,687.20-10,973,530.80-4,628,301.60

Finding the Fourth Proportional to 7,315,687.20, 10,973,530.80 and 4,628,301.60

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Solution

The fourth proportional to 7,315,687.20, 10,973,530.80 and 4,628,301.60 is: 6,942,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315,687.20 : 10,973,530.80 = 4,628,301.60 : x
  2. Step 2: Convert to fraction form
    7,315,687.20/10,973,530.80 = 4,628,301.60/x
  3. Step 3: Cross multiply
    7,315,687.20x = 10,973,530.80 × 4,628,301.60
  4. Step 4: Simplify right side
    7,315,687.20x = 50,788,810,159,289.28
  5. Step 5: Solve for x
    x = 50,788,810,159,289.28/7,315,687.20
  6. Step 6: Final answer
    x = 6,942,452.40

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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.