Home / 9,387,408.42-12,952,403.61-5,313,027.30

Finding the Fourth Proportional to 9,387,408.42, 12,952,403.61 and 5,313,027.30

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Solution

The fourth proportional to 9,387,408.42, 12,952,403.61 and 5,313,027.30 is: 7,330,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387,408.42 : 12,952,403.61 = 5,313,027.30 : x
  2. Step 2: Convert to fraction form
    9,387,408.42/12,952,403.61 = 5,313,027.30/x
  3. Step 3: Cross multiply
    9,387,408.42x = 12,952,403.61 × 5,313,027.30
  4. Step 4: Simplify right side
    9,387,408.42x = 68,816,473,980,548.55
  5. Step 5: Solve for x
    x = 68,816,473,980,548.55/9,387,408.42
  6. Step 6: Final answer
    x = 7,330,721.21

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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.