Home / 15,673,944-21,628,084.34-8,703,673.89

Finding the Fourth Proportional to 15,673,944, 21,628,084.34 and 8,703,673.89

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Solution

The fourth proportional to 15,673,944, 21,628,084.34 and 8,703,673.89 is: 12,009,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673,944 : 21,628,084.34 = 8,703,673.89 : x
  2. Step 2: Convert to fraction form
    15,673,944/21,628,084.34 = 8,703,673.89/x
  3. Step 3: Cross multiply
    15,673,944x = 21,628,084.34 × 8,703,673.89
  4. Step 4: Simplify right side
    15,673,944x = 188,243,792,917,257.53
  5. Step 5: Solve for x
    x = 188,243,792,917,257.53/15,673,944
  6. Step 6: Final answer
    x = 12,009,982.49

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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.