Home / 11,178,187.80-16,767,281.70-7,351,812.60

Finding the Fourth Proportional to 11,178,187.80, 16,767,281.70 and 7,351,812.60

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Solution

The fourth proportional to 11,178,187.80, 16,767,281.70 and 7,351,812.60 is: 11,027,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,187.80 : 16,767,281.70 = 7,351,812.60 : x
  2. Step 2: Convert to fraction form
    11,178,187.80/16,767,281.70 = 7,351,812.60/x
  3. Step 3: Cross multiply
    11,178,187.80x = 16,767,281.70 × 7,351,812.60
  4. Step 4: Simplify right side
    11,178,187.80x = 123,269,912,869,809.41
  5. Step 5: Solve for x
    x = 123,269,912,869,809.41/11,178,187.80
  6. Step 6: Final answer
    x = 11,027,718.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.