Home / 13,789,853.40-20,684,724.26-4,205,204.18

Finding the Fourth Proportional to 13,789,853.40, 20,684,724.26 and 4,205,204.18

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Solution

The fourth proportional to 13,789,853.40, 20,684,724.26 and 4,205,204.18 is: 6,307,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,853.40 : 20,684,724.26 = 4,205,204.18 : x
  2. Step 2: Convert to fraction form
    13,789,853.40/20,684,724.26 = 4,205,204.18/x
  3. Step 3: Cross multiply
    13,789,853.40x = 20,684,724.26 × 4,205,204.18
  4. Step 4: Simplify right side
    13,789,853.40x = 86,983,488,920,299.41
  5. Step 5: Solve for x
    x = 86,983,488,920,299.41/13,789,853.40
  6. Step 6: Final answer
    x = 6,307,789.24

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1.5x scale

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.