Home / 36,345,715.60-54,518,573.40-21,040,214.80

Finding the Fourth Proportional to 36,345,715.60, 54,518,573.40 and 21,040,214.80

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Solution

The fourth proportional to 36,345,715.60, 54,518,573.40 and 21,040,214.80 is: 31,560,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,345,715.60 : 54,518,573.40 = 21,040,214.80 : x
  2. Step 2: Convert to fraction form
    36,345,715.60/54,518,573.40 = 21,040,214.80/x
  3. Step 3: Cross multiply
    36,345,715.60x = 54,518,573.40 × 21,040,214.80
  4. Step 4: Simplify right side
    36,345,715.60x = 1,147,082,494,925,566.25
  5. Step 5: Solve for x
    x = 1,147,082,494,925,566.25/36,345,715.60
  6. Step 6: Final answer
    x = 31,560,322.20

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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.