Home / 7,040,830.42-9,717,861.90-4,288,425.31

Finding the Fourth Proportional to 7,040,830.42, 9,717,861.90 and 4,288,425.31

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Solution

The fourth proportional to 7,040,830.42, 9,717,861.90 and 4,288,425.31 is: 5,918,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040,830.42 : 9,717,861.90 = 4,288,425.31 : x
  2. Step 2: Convert to fraction form
    7,040,830.42/9,717,861.90 = 4,288,425.31/x
  3. Step 3: Cross multiply
    7,040,830.42x = 9,717,861.90 × 4,288,425.31
  4. Step 4: Simplify right side
    7,040,830.42x = 41,674,324,931,044.69
  5. Step 5: Solve for x
    x = 41,674,324,931,044.69/7,040,830.42
  6. Step 6: Final answer
    x = 5,918,950.24

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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.