Home / 12,509,348.25-18,776,156.12-6,036,978.47

Finding the Fourth Proportional to 12,509,348.25, 18,776,156.12 and 6,036,978.47

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Solution

The fourth proportional to 12,509,348.25, 18,776,156.12 and 6,036,978.47 is: 9,061,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,348.25 : 18,776,156.12 = 6,036,978.47 : x
  2. Step 2: Convert to fraction form
    12,509,348.25/18,776,156.12 = 6,036,978.47/x
  3. Step 3: Cross multiply
    12,509,348.25x = 18,776,156.12 × 6,036,978.47
  4. Step 4: Simplify right side
    12,509,348.25x = 113,351,250,319,771.55
  5. Step 5: Solve for x
    x = 113,351,250,319,771.55/12,509,348.25
  6. Step 6: Final answer
    x = 9,061,323.43

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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.