Home / 9,318,571.72-12,857,501.46-5,242,703.56

Finding the Fourth Proportional to 9,318,571.72, 12,857,501.46 and 5,242,703.56

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Solution

The fourth proportional to 9,318,571.72, 12,857,501.46 and 5,242,703.56 is: 7,233,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,571.72 : 12,857,501.46 = 5,242,703.56 : x
  2. Step 2: Convert to fraction form
    9,318,571.72/12,857,501.46 = 5,242,703.56/x
  3. Step 3: Cross multiply
    9,318,571.72x = 12,857,501.46 × 5,242,703.56
  4. Step 4: Simplify right side
    9,318,571.72x = 67,408,068,677,047.20
  5. Step 5: Solve for x
    x = 67,408,068,677,047.20/9,318,571.72
  6. Step 6: Final answer
    x = 7,233,733.96

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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.