Home / 9,315,072.64-12,853,771.84-5,240,622.72

Finding the Fourth Proportional to 9,315,072.64, 12,853,771.84 and 5,240,622.72

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Solution

The fourth proportional to 9,315,072.64, 12,853,771.84 and 5,240,622.72 is: 7,231,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315,072.64 : 12,853,771.84 = 5,240,622.72 : x
  2. Step 2: Convert to fraction form
    9,315,072.64/12,853,771.84 = 5,240,622.72/x
  3. Step 3: Cross multiply
    9,315,072.64x = 12,853,771.84 × 5,240,622.72
  4. Step 4: Simplify right side
    9,315,072.64x = 67,361,768,742,400.20
  5. Step 5: Solve for x
    x = 67,361,768,742,400.20/9,315,072.64
  6. Step 6: Final answer
    x = 7,231,480.78

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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.