Home / 30,912,384.24-46,368,736.32-18,123,920.88

Finding the Fourth Proportional to 30,912,384.24, 46,368,736.32 and 18,123,920.88

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Solution

The fourth proportional to 30,912,384.24, 46,368,736.32 and 18,123,920.88 is: 27,185,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,912,384.24 : 46,368,736.32 = 18,123,920.88 : x
  2. Step 2: Convert to fraction form
    30,912,384.24/46,368,736.32 = 18,123,920.88/x
  3. Step 3: Cross multiply
    30,912,384.24x = 46,368,736.32 × 18,123,920.88
  4. Step 4: Simplify right side
    30,912,384.24x = 840,383,308,369,262.38
  5. Step 5: Solve for x
    x = 840,383,308,369,262.38/30,912,384.24
  6. Step 6: Final answer
    x = 27,185,975.10

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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.