Home / 20,870,072.20-31,305,108.30-14,492,780.20

Finding the Fourth Proportional to 20,870,072.20, 31,305,108.30 and 14,492,780.20

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Solution

The fourth proportional to 20,870,072.20, 31,305,108.30 and 14,492,780.20 is: 21,739,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,870,072.20 : 31,305,108.30 = 14,492,780.20 : x
  2. Step 2: Convert to fraction form
    20,870,072.20/31,305,108.30 = 14,492,780.20/x
  3. Step 3: Cross multiply
    20,870,072.20x = 31,305,108.30 × 14,492,780.20
  4. Step 4: Simplify right side
    20,870,072.20x = 453,698,053,729,095.62
  5. Step 5: Solve for x
    x = 453,698,053,729,095.62/20,870,072.20
  6. Step 6: Final answer
    x = 21,739,170.30

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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.