Home / 6,739,880.20-10,109,820.30-4,188,963.40

Finding the Fourth Proportional to 6,739,880.20, 10,109,820.30 and 4,188,963.40

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Solution

The fourth proportional to 6,739,880.20, 10,109,820.30 and 4,188,963.40 is: 6,283,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,880.20 : 10,109,820.30 = 4,188,963.40 : x
  2. Step 2: Convert to fraction form
    6,739,880.20/10,109,820.30 = 4,188,963.40/x
  3. Step 3: Cross multiply
    6,739,880.20x = 10,109,820.30 × 4,188,963.40
  4. Step 4: Simplify right side
    6,739,880.20x = 42,349,667,217,277.02
  5. Step 5: Solve for x
    x = 42,349,667,217,277.02/6,739,880.20
  6. Step 6: Final answer
    x = 6,283,445.10

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1.5x scale

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.