Home / 9,101,379.87-12,559,819.31-4,971,409.43

Finding the Fourth Proportional to 9,101,379.87, 12,559,819.31 and 4,971,409.43

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Solution

The fourth proportional to 9,101,379.87, 12,559,819.31 and 4,971,409.43 is: 6,860,498.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101,379.87 : 12,559,819.31 = 4,971,409.43 : x
  2. Step 2: Convert to fraction form
    9,101,379.87/12,559,819.31 = 4,971,409.43/x
  3. Step 3: Cross multiply
    9,101,379.87x = 12,559,819.31 × 4,971,409.43
  4. Step 4: Simplify right side
    9,101,379.87x = 62,440,004,156,830.09
  5. Step 5: Solve for x
    x = 62,440,004,156,830.09/9,101,379.87
  6. Step 6: Final answer
    x = 6,860,498.63

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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.