Home / 31,131,644.90-46,692,678.83-10,382,446.62

Finding the Fourth Proportional to 31,131,644.90, 46,692,678.83 and 10,382,446.62

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Solution

The fourth proportional to 31,131,644.90, 46,692,678.83 and 10,382,446.62 is: 15,572,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,644.90 : 46,692,678.83 = 10,382,446.62 : x
  2. Step 2: Convert to fraction form
    31,131,644.90/46,692,678.83 = 10,382,446.62/x
  3. Step 3: Cross multiply
    31,131,644.90x = 46,692,678.83 × 10,382,446.62
  4. Step 4: Simplify right side
    31,131,644.90x = 484,784,245,445,366.81
  5. Step 5: Solve for x
    x = 484,784,245,445,366.81/31,131,644.90
  6. Step 6: Final answer
    x = 15,572,072.95

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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.