Home / 37,921,968.02-52,331,943.30-20,517,931.38

Finding the Fourth Proportional to 37,921,968.02, 52,331,943.30 and 20,517,931.38

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Solution

The fourth proportional to 37,921,968.02, 52,331,943.30 and 20,517,931.38 is: 28,314,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921,968.02 : 52,331,943.30 = 20,517,931.38 : x
  2. Step 2: Convert to fraction form
    37,921,968.02/52,331,943.30 = 20,517,931.38/x
  3. Step 3: Cross multiply
    37,921,968.02x = 52,331,943.30 × 20,517,931.38
  4. Step 4: Simplify right side
    37,921,968.02x = 1,073,743,221,611,450.62
  5. Step 5: Solve for x
    x = 1,073,743,221,611,450.62/37,921,968.02
  6. Step 6: Final answer
    x = 28,314,543.72

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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.