Home / 7,334,977.20-10,991,968.20-5,400,794.40

Finding the Fourth Proportional to 7,334,977.20, 10,991,968.20 and 5,400,794.40

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Solution

The fourth proportional to 7,334,977.20, 10,991,968.20 and 5,400,794.40 is: 8,093,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334,977.20 : 10,991,968.20 = 5,400,794.40 : x
  2. Step 2: Convert to fraction form
    7,334,977.20/10,991,968.20 = 5,400,794.40/x
  3. Step 3: Cross multiply
    7,334,977.20x = 10,991,968.20 × 5,400,794.40
  4. Step 4: Simplify right side
    7,334,977.20x = 59,365,360,299,538.08
  5. Step 5: Solve for x
    x = 59,365,360,299,538.08/7,334,977.20
  6. Step 6: Final answer
    x = 8,093,462.14

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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.