Home / 13,900,867.80-20,836,095.30-4,920,797.40

Finding the Fourth Proportional to 13,900,867.80, 20,836,095.30 and 4,920,797.40

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Solution

The fourth proportional to 13,900,867.80, 20,836,095.30 and 4,920,797.40 is: 7,375,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,867.80 : 20,836,095.30 = 4,920,797.40 : x
  2. Step 2: Convert to fraction form
    13,900,867.80/20,836,095.30 = 4,920,797.40/x
  3. Step 3: Cross multiply
    13,900,867.80x = 20,836,095.30 × 4,920,797.40
  4. Step 4: Simplify right side
    13,900,867.80x = 102,530,203,578,392.23
  5. Step 5: Solve for x
    x = 102,530,203,578,392.23/13,900,867.80
  6. Step 6: Final answer
    x = 7,375,813.15

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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.