Home / 12,781,224.12-17,637,999.57-6,980,007.36

Finding the Fourth Proportional to 12,781,224.12, 17,637,999.57 and 6,980,007.36

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Solution

The fourth proportional to 12,781,224.12, 17,637,999.57 and 6,980,007.36 is: 9,632,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,224.12 : 17,637,999.57 = 6,980,007.36 : x
  2. Step 2: Convert to fraction form
    12,781,224.12/17,637,999.57 = 6,980,007.36/x
  3. Step 3: Cross multiply
    12,781,224.12x = 17,637,999.57 × 6,980,007.36
  4. Step 4: Simplify right side
    12,781,224.12x = 123,113,366,814,276.84
  5. Step 5: Solve for x
    x = 123,113,366,814,276.84/12,781,224.12
  6. Step 6: Final answer
    x = 9,632,361.16

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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.