Home / 22,714,940.40-34,072,410.60-21,072,649.20

Finding the Fourth Proportional to 22,714,940.40, 34,072,410.60 and 21,072,649.20

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Solution

The fourth proportional to 22,714,940.40, 34,072,410.60 and 21,072,649.20 is: 31,608,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,714,940.40 : 34,072,410.60 = 21,072,649.20 : x
  2. Step 2: Convert to fraction form
    22,714,940.40/34,072,410.60 = 21,072,649.20/x
  3. Step 3: Cross multiply
    22,714,940.40x = 34,072,410.60 × 21,072,649.20
  4. Step 4: Simplify right side
    22,714,940.40x = 717,995,955,972,161.50
  5. Step 5: Solve for x
    x = 717,995,955,972,161.50/22,714,940.40
  6. Step 6: Final answer
    x = 31,608,973.80

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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.