Home / 12,913,299.39-17,821,611.87-9,644,439.02

Finding the Fourth Proportional to 12,913,299.39, 17,821,611.87 and 9,644,439.02

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Solution

The fourth proportional to 12,913,299.39, 17,821,611.87 and 9,644,439.02 is: 13,310,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913,299.39 : 17,821,611.87 = 9,644,439.02 : x
  2. Step 2: Convert to fraction form
    12,913,299.39/17,821,611.87 = 9,644,439.02/x
  3. Step 3: Cross multiply
    12,913,299.39x = 17,821,611.87 × 9,644,439.02
  4. Step 4: Simplify right side
    12,913,299.39x = 171,879,448,829,215.12
  5. Step 5: Solve for x
    x = 171,879,448,829,215.12/12,913,299.39
  6. Step 6: Final answer
    x = 13,310,265.92

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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.