Home / 12,689,607.22-19,041,609.73-6,853,720.72

Finding the Fourth Proportional to 12,689,607.22, 19,041,609.73 and 6,853,720.72

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Solution

The fourth proportional to 12,689,607.22, 19,041,609.73 and 6,853,720.72 is: 10,284,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,607.22 : 19,041,609.73 = 6,853,720.72 : x
  2. Step 2: Convert to fraction form
    12,689,607.22/19,041,609.73 = 6,853,720.72/x
  3. Step 3: Cross multiply
    12,689,607.22x = 19,041,609.73 × 6,853,720.72
  4. Step 4: Simplify right side
    12,689,607.22x = 130,505,875,148,654.61
  5. Step 5: Solve for x
    x = 130,505,875,148,654.61/12,689,607.22
  6. Step 6: Final answer
    x = 10,284,469.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.