Home / 31,313,125.20-46,969,687.80-13,364,043.60

Finding the Fourth Proportional to 31,313,125.20, 46,969,687.80 and 13,364,043.60

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Solution

The fourth proportional to 31,313,125.20, 46,969,687.80 and 13,364,043.60 is: 20,046,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313,125.20 : 46,969,687.80 = 13,364,043.60 : x
  2. Step 2: Convert to fraction form
    31,313,125.20/46,969,687.80 = 13,364,043.60/x
  3. Step 3: Cross multiply
    31,313,125.20x = 46,969,687.80 × 13,364,043.60
  4. Step 4: Simplify right side
    31,313,125.20x = 627,704,955,637,588
  5. Step 5: Solve for x
    x = 627,704,955,637,588/31,313,125.20
  6. Step 6: Final answer
    x = 20,046,065.40

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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.