Home / 22,187,802.92-30,619,103.18-12,398,256.84

Finding the Fourth Proportional to 22,187,802.92, 30,619,103.18 and 12,398,256.84

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Solution

The fourth proportional to 22,187,802.92, 30,619,103.18 and 12,398,256.84 is: 17,109,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187,802.92 : 30,619,103.18 = 12,398,256.84 : x
  2. Step 2: Convert to fraction form
    22,187,802.92/30,619,103.18 = 12,398,256.84/x
  3. Step 3: Cross multiply
    22,187,802.92x = 30,619,103.18 × 12,398,256.84
  4. Step 4: Simplify right side
    22,187,802.92x = 379,623,505,436,100.75
  5. Step 5: Solve for x
    x = 379,623,505,436,100.75/22,187,802.92
  6. Step 6: Final answer
    x = 17,109,558.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.