Home / 20,029,318.40-27,637,550.56-11,208,727.04

Finding the Fourth Proportional to 20,029,318.40, 27,637,550.56 and 11,208,727.04

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Solution

The fourth proportional to 20,029,318.40, 27,637,550.56 and 11,208,727.04 is: 15,466,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029,318.40 : 27,637,550.56 = 11,208,727.04 : x
  2. Step 2: Convert to fraction form
    20,029,318.40/27,637,550.56 = 11,208,727.04/x
  3. Step 3: Cross multiply
    20,029,318.40x = 27,637,550.56 × 11,208,727.04
  4. Step 4: Simplify right side
    20,029,318.40x = 309,781,760,281,239.12
  5. Step 5: Solve for x
    x = 309,781,760,281,239.12/20,029,318.40
  6. Step 6: Final answer
    x = 15,466,415.49

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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.