Home / 20,761,571.22-31,124,622.69-14,677,162.26

Finding the Fourth Proportional to 20,761,571.22, 31,124,622.69 and 14,677,162.26

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Solution

The fourth proportional to 20,761,571.22, 31,124,622.69 and 14,677,162.26 is: 22,003,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,761,571.22 : 31,124,622.69 = 14,677,162.26 : x
  2. Step 2: Convert to fraction form
    20,761,571.22/31,124,622.69 = 14,677,162.26/x
  3. Step 3: Cross multiply
    20,761,571.22x = 31,124,622.69 × 14,677,162.26
  4. Step 4: Simplify right side
    20,761,571.22x = 456,821,137,502,407.69
  5. Step 5: Solve for x
    x = 456,821,137,502,407.69/20,761,571.22
  6. Step 6: Final answer
    x = 22,003,206.44

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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.