Home / 9,518,349.16-13,135,479.78-5,167,435.24

Finding the Fourth Proportional to 9,518,349.16, 13,135,479.78 and 5,167,435.24

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Solution

The fourth proportional to 9,518,349.16, 13,135,479.78 and 5,167,435.24 is: 7,131,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518,349.16 : 13,135,479.78 = 5,167,435.24 : x
  2. Step 2: Convert to fraction form
    9,518,349.16/13,135,479.78 = 5,167,435.24/x
  3. Step 3: Cross multiply
    9,518,349.16x = 13,135,479.78 × 5,167,435.24
  4. Step 4: Simplify right side
    9,518,349.16x = 67,876,741,109,479.45
  5. Step 5: Solve for x
    x = 67,876,741,109,479.45/9,518,349.16
  6. Step 6: Final answer
    x = 7,131,146.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.