Home / 31,131,645.40-46,692,679.58-10,382,447.12

Finding the Fourth Proportional to 31,131,645.40, 46,692,679.58 and 10,382,447.12

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Solution

The fourth proportional to 31,131,645.40, 46,692,679.58 and 10,382,447.12 is: 15,572,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,645.40 : 46,692,679.58 = 10,382,447.12 : x
  2. Step 2: Convert to fraction form
    31,131,645.40/46,692,679.58 = 10,382,447.12/x
  3. Step 3: Cross multiply
    31,131,645.40x = 46,692,679.58 × 10,382,447.12
  4. Step 4: Simplify right side
    31,131,645.40x = 484,784,276,578,541.56
  5. Step 5: Solve for x
    x = 484,784,276,578,541.56/31,131,645.40
  6. Step 6: Final answer
    x = 15,572,073.70

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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.