Home / 19,278,900.40-28,898,173.32-6,494,987.44

Finding the Fourth Proportional to 19,278,900.40, 28,898,173.32 and 6,494,987.44

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Solution

The fourth proportional to 19,278,900.40, 28,898,173.32 and 6,494,987.44 is: 9,735,683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278,900.40 : 28,898,173.32 = 6,494,987.44 : x
  2. Step 2: Convert to fraction form
    19,278,900.40/28,898,173.32 = 6,494,987.44/x
  3. Step 3: Cross multiply
    19,278,900.40x = 28,898,173.32 × 6,494,987.44
  4. Step 4: Simplify right side
    19,278,900.40x = 187,693,272,752,343.12
  5. Step 5: Solve for x
    x = 187,693,272,752,343.12/19,278,900.40
  6. Step 6: Final answer
    x = 9,735,683.51

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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.