Home / 20,446,362.36-28,216,060.56-11,154,131.01

Finding the Fourth Proportional to 20,446,362.36, 28,216,060.56 and 11,154,131.01

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Solution

The fourth proportional to 20,446,362.36, 28,216,060.56 and 11,154,131.01 is: 15,392,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446,362.36 : 28,216,060.56 = 11,154,131.01 : x
  2. Step 2: Convert to fraction form
    20,446,362.36/28,216,060.56 = 11,154,131.01/x
  3. Step 3: Cross multiply
    20,446,362.36x = 28,216,060.56 × 11,154,131.01
  4. Step 4: Simplify right side
    20,446,362.36x = 314,725,636,072,333.94
  5. Step 5: Solve for x
    x = 314,725,636,072,333.94/20,446,362.36
  6. Step 6: Final answer
    x = 15,392,744.71

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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.