Home / 7,013,121.90-10,520,010.90-2,221,186.20

Finding the Fourth Proportional to 7,013,121.90, 10,520,010.90 and 2,221,186.20

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Solution

The fourth proportional to 7,013,121.90, 10,520,010.90 and 2,221,186.20 is: 3,331,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013,121.90 : 10,520,010.90 = 2,221,186.20 : x
  2. Step 2: Convert to fraction form
    7,013,121.90/10,520,010.90 = 2,221,186.20/x
  3. Step 3: Cross multiply
    7,013,121.90x = 10,520,010.90 × 2,221,186.20
  4. Step 4: Simplify right side
    7,013,121.90x = 23,366,903,034,929.58
  5. Step 5: Solve for x
    x = 23,366,903,034,929.58/7,013,121.90
  6. Step 6: Final answer
    x = 3,331,883.20

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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.