Home / 18,123,803.46-27,182,731.32-4,990,157.46

Finding the Fourth Proportional to 18,123,803.46, 27,182,731.32 and 4,990,157.46

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Solution

The fourth proportional to 18,123,803.46, 27,182,731.32 and 4,990,157.46 is: 7,484,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123,803.46 : 27,182,731.32 = 4,990,157.46 : x
  2. Step 2: Convert to fraction form
    18,123,803.46/27,182,731.32 = 4,990,157.46/x
  3. Step 3: Cross multiply
    18,123,803.46x = 27,182,731.32 × 4,990,157.46
  4. Step 4: Simplify right side
    18,123,803.46x = 135,646,109,479,673.64
  5. Step 5: Solve for x
    x = 135,646,109,479,673.64/18,123,803.46
  6. Step 6: Final answer
    x = 7,484,417.37

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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.