Home / 13,192,983.32-18,206,988.95-7,609,153.30

Finding the Fourth Proportional to 13,192,983.32, 18,206,988.95 and 7,609,153.30

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Solution

The fourth proportional to 13,192,983.32, 18,206,988.95 and 7,609,153.30 is: 10,501,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,983.32 : 18,206,988.95 = 7,609,153.30 : x
  2. Step 2: Convert to fraction form
    13,192,983.32/18,206,988.95 = 7,609,153.30/x
  3. Step 3: Cross multiply
    13,192,983.32x = 18,206,988.95 × 7,609,153.30
  4. Step 4: Simplify right side
    13,192,983.32x = 138,539,770,093,737.66
  5. Step 5: Solve for x
    x = 138,539,770,093,737.66/13,192,983.32
  6. Step 6: Final answer
    x = 10,501,019.12

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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.