Home / 11,281,321.81-15,569,187.54-6,387,406.30

Finding the Fourth Proportional to 11,281,321.81, 15,569,187.54 and 6,387,406.30

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Solution

The fourth proportional to 11,281,321.81, 15,569,187.54 and 6,387,406.30 is: 8,815,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281,321.81 : 15,569,187.54 = 6,387,406.30 : x
  2. Step 2: Convert to fraction form
    11,281,321.81/15,569,187.54 = 6,387,406.30/x
  3. Step 3: Cross multiply
    11,281,321.81x = 15,569,187.54 × 6,387,406.30
  4. Step 4: Simplify right side
    11,281,321.81x = 99,446,726,501,031.56
  5. Step 5: Solve for x
    x = 99,446,726,501,031.56/11,281,321.81
  6. Step 6: Final answer
    x = 8,815,166.19

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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.