Home / 22,503,053.76-31,054,363.68-12,189,777.28

Finding the Fourth Proportional to 22,503,053.76, 31,054,363.68 and 12,189,777.28

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Solution

The fourth proportional to 22,503,053.76, 31,054,363.68 and 12,189,777.28 is: 16,821,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503,053.76 : 31,054,363.68 = 12,189,777.28 : x
  2. Step 2: Convert to fraction form
    22,503,053.76/31,054,363.68 = 12,189,777.28/x
  3. Step 3: Cross multiply
    22,503,053.76x = 31,054,363.68 × 12,189,777.28
  4. Step 4: Simplify right side
    22,503,053.76x = 378,545,776,831,321.19
  5. Step 5: Solve for x
    x = 378,545,776,831,321.19/22,503,053.76
  6. Step 6: Final answer
    x = 16,821,973.62

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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.