Home / 9,330,549.20-13,995,823.80-3,945,280.40

Finding the Fourth Proportional to 9,330,549.20, 13,995,823.80 and 3,945,280.40

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Solution

The fourth proportional to 9,330,549.20, 13,995,823.80 and 3,945,280.40 is: 5,917,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330,549.20 : 13,995,823.80 = 3,945,280.40 : x
  2. Step 2: Convert to fraction form
    9,330,549.20/13,995,823.80 = 3,945,280.40/x
  3. Step 3: Cross multiply
    9,330,549.20x = 13,995,823.80 × 3,945,280.40
  4. Step 4: Simplify right side
    9,330,549.20x = 55,217,449,319,993.52
  5. Step 5: Solve for x
    x = 55,217,449,319,993.52/9,330,549.20
  6. Step 6: Final answer
    x = 5,917,920.60

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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.