Home / 7,334,986.20-10,991,981.70-5,400,803.40

Finding the Fourth Proportional to 7,334,986.20, 10,991,981.70 and 5,400,803.40

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Solution

The fourth proportional to 7,334,986.20, 10,991,981.70 and 5,400,803.40 is: 8,093,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334,986.20 : 10,991,981.70 = 5,400,803.40 : x
  2. Step 2: Convert to fraction form
    7,334,986.20/10,991,981.70 = 5,400,803.40/x
  3. Step 3: Cross multiply
    7,334,986.20x = 10,991,981.70 × 5,400,803.40
  4. Step 4: Simplify right side
    7,334,986.20x = 59,365,532,138,097.78
  5. Step 5: Solve for x
    x = 59,365,532,138,097.78/7,334,986.20
  6. Step 6: Final answer
    x = 8,093,475.64

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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.