Home / 14,112,116.80-21,179,234.40-6,540,020.80

Finding the Fourth Proportional to 14,112,116.80, 21,179,234.40 and 6,540,020.80

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Solution

The fourth proportional to 14,112,116.80, 21,179,234.40 and 6,540,020.80 is: 9,815,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112,116.80 : 21,179,234.40 = 6,540,020.80 : x
  2. Step 2: Convert to fraction form
    14,112,116.80/21,179,234.40 = 6,540,020.80/x
  3. Step 3: Cross multiply
    14,112,116.80x = 21,179,234.40 × 6,540,020.80
  4. Step 4: Simplify right side
    14,112,116.80x = 138,512,633,504,075.50
  5. Step 5: Solve for x
    x = 138,512,633,504,075.50/14,112,116.80
  6. Step 6: Final answer
    x = 9,815,156.40

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Double scale
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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.