Home / 16,129,581.92-22,243,871.52-11,771,765.60

Finding the Fourth Proportional to 16,129,581.92, 22,243,871.52 and 11,771,765.60

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Solution

The fourth proportional to 16,129,581.92, 22,243,871.52 and 11,771,765.60 is: 16,234,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129,581.92 : 22,243,871.52 = 11,771,765.60 : x
  2. Step 2: Convert to fraction form
    16,129,581.92/22,243,871.52 = 11,771,765.60/x
  3. Step 3: Cross multiply
    16,129,581.92x = 22,243,871.52 × 11,771,765.60
  4. Step 4: Simplify right side
    16,129,581.92x = 261,849,641,569,955.69
  5. Step 5: Solve for x
    x = 261,849,641,569,955.69/16,129,581.92
  6. Step 6: Final answer
    x = 16,234,124.53

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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.