Home / 10,993,279.40-16,500,416.70-9,397,644.20

Finding the Fourth Proportional to 10,993,279.40, 16,500,416.70 and 9,397,644.20

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Solution

The fourth proportional to 10,993,279.40, 16,500,416.70 and 9,397,644.20 is: 14,105,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993,279.40 : 16,500,416.70 = 9,397,644.20 : x
  2. Step 2: Convert to fraction form
    10,993,279.40/16,500,416.70 = 9,397,644.20/x
  3. Step 3: Cross multiply
    10,993,279.40x = 16,500,416.70 × 9,397,644.20
  4. Step 4: Simplify right side
    10,993,279.40x = 155,065,045,298,338.12
  5. Step 5: Solve for x
    x = 155,065,045,298,338.12/10,993,279.40
  6. Step 6: Final answer
    x = 14,105,440.21

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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.