Home / 12,689,598.72-19,041,596.97-6,853,712.22

Finding the Fourth Proportional to 12,689,598.72, 19,041,596.97 and 6,853,712.22

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Solution

The fourth proportional to 12,689,598.72, 19,041,596.97 and 6,853,712.22 is: 10,284,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,598.72 : 19,041,596.97 = 6,853,712.22 : x
  2. Step 2: Convert to fraction form
    12,689,598.72/19,041,596.97 = 6,853,712.22/x
  3. Step 3: Cross multiply
    12,689,598.72x = 19,041,596.97 × 6,853,712.22
  4. Step 4: Simplify right side
    12,689,598.72x = 130,505,625,841,603.95
  5. Step 5: Solve for x
    x = 130,505,625,841,603.95/12,689,598.72
  6. Step 6: Final answer
    x = 10,284,456.48

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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.