Home / 9,361,785.60-12,919,435.20-5,286,643.20

Finding the Fourth Proportional to 9,361,785.60, 12,919,435.20 and 5,286,643.20

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Solution

The fourth proportional to 9,361,785.60, 12,919,435.20 and 5,286,643.20 is: 7,295,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,785.60 : 12,919,435.20 = 5,286,643.20 : x
  2. Step 2: Convert to fraction form
    9,361,785.60/12,919,435.20 = 5,286,643.20/x
  3. Step 3: Cross multiply
    9,361,785.60x = 12,919,435.20 × 5,286,643.20
  4. Step 4: Simplify right side
    9,361,785.60x = 68,300,444,247,920.64
  5. Step 5: Solve for x
    x = 68,300,444,247,920.64/9,361,785.60
  6. Step 6: Final answer
    x = 7,295,664.22

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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.