Home / 12,781,299.62-17,638,333.65-6,980,252.06

Finding the Fourth Proportional to 12,781,299.62, 17,638,333.65 and 6,980,252.06

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Solution

The fourth proportional to 12,781,299.62, 17,638,333.65 and 6,980,252.06 is: 9,632,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,299.62 : 17,638,333.65 = 6,980,252.06 : x
  2. Step 2: Convert to fraction form
    12,781,299.62/17,638,333.65 = 6,980,252.06/x
  3. Step 3: Cross multiply
    12,781,299.62x = 17,638,333.65 × 6,980,252.06
  4. Step 4: Simplify right side
    12,781,299.62x = 123,120,014,707,188.14
  5. Step 5: Solve for x
    x = 123,120,014,707,188.14/12,781,299.62
  6. Step 6: Final answer
    x = 9,632,824.39

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1.5x scale

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.