Home / 7,158,907.18-9,879,410.82-3,895,859.44

Finding the Fourth Proportional to 7,158,907.18, 9,879,410.82 and 3,895,859.44

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Solution

The fourth proportional to 7,158,907.18, 9,879,410.82 and 3,895,859.44 is: 5,376,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158,907.18 : 9,879,410.82 = 3,895,859.44 : x
  2. Step 2: Convert to fraction form
    7,158,907.18/9,879,410.82 = 3,895,859.44/x
  3. Step 3: Cross multiply
    7,158,907.18x = 9,879,410.82 × 3,895,859.44
  4. Step 4: Simplify right side
    7,158,907.18x = 38,488,795,909,779.67
  5. Step 5: Solve for x
    x = 38,488,795,909,779.67/7,158,907.18
  6. Step 6: Final answer
    x = 5,376,350.74

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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.