Home / 31,191,081.40-46,789,748.70-10,718,104.60

Finding the Fourth Proportional to 31,191,081.40, 46,789,748.70 and 10,718,104.60

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Solution

The fourth proportional to 31,191,081.40, 46,789,748.70 and 10,718,104.60 is: 16,078,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191,081.40 : 46,789,748.70 = 10,718,104.60 : x
  2. Step 2: Convert to fraction form
    31,191,081.40/46,789,748.70 = 10,718,104.60/x
  3. Step 3: Cross multiply
    31,191,081.40x = 46,789,748.70 × 10,718,104.60
  4. Step 4: Simplify right side
    31,191,081.40x = 501,497,420,774,314.06
  5. Step 5: Solve for x
    x = 501,497,420,774,314.06/31,191,081.40
  6. Step 6: Final answer
    x = 16,078,231.28

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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.