Home / 12,219,167.67-16,861,905.92-7,327,089.24

Finding the Fourth Proportional to 12,219,167.67, 16,861,905.92 and 7,327,089.24

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Solution

The fourth proportional to 12,219,167.67, 16,861,905.92 and 7,327,089.24 is: 10,111,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,167.67 : 16,861,905.92 = 7,327,089.24 : x
  2. Step 2: Convert to fraction form
    12,219,167.67/16,861,905.92 = 7,327,089.24/x
  3. Step 3: Cross multiply
    12,219,167.67x = 16,861,905.92 × 7,327,089.24
  4. Step 4: Simplify right side
    12,219,167.67x = 123,548,689,395,688.86
  5. Step 5: Solve for x
    x = 123,548,689,395,688.86/12,219,167.67
  6. Step 6: Final answer
    x = 10,111,056.07

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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.