Home / 37,438,315.18-51,665,216.97-21,968,657.62

Finding the Fourth Proportional to 37,438,315.18, 51,665,216.97 and 21,968,657.62

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Solution

The fourth proportional to 37,438,315.18, 51,665,216.97 and 21,968,657.62 is: 30,316,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,438,315.18 : 51,665,216.97 = 21,968,657.62 : x
  2. Step 2: Convert to fraction form
    37,438,315.18/51,665,216.97 = 21,968,657.62/x
  3. Step 3: Cross multiply
    37,438,315.18x = 51,665,216.97 × 21,968,657.62
  4. Step 4: Simplify right side
    37,438,315.18x = 1,135,015,462,476,943.75
  5. Step 5: Solve for x
    x = 1,135,015,462,476,943.75/37,438,315.18
  6. Step 6: Final answer
    x = 30,316,948.21

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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.