Home / 6,915,782.12-9,543,391.10-3,860,193.20

Finding the Fourth Proportional to 6,915,782.12, 9,543,391.10 and 3,860,193.20

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Solution

The fourth proportional to 6,915,782.12, 9,543,391.10 and 3,860,193.20 is: 5,326,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915,782.12 : 9,543,391.10 = 3,860,193.20 : x
  2. Step 2: Convert to fraction form
    6,915,782.12/9,543,391.10 = 3,860,193.20/x
  3. Step 3: Cross multiply
    6,915,782.12x = 9,543,391.10 × 3,860,193.20
  4. Step 4: Simplify right side
    6,915,782.12x = 36,839,333,429,160.52
  5. Step 5: Solve for x
    x = 36,839,333,429,160.52/6,915,782.12
  6. Step 6: Final answer
    x = 5,326,849.92

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1.5x scale

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.