Home / 19,483,363.20-29,225,044.80-11,906,428.80

Finding the Fourth Proportional to 19,483,363.20, 29,225,044.80 and 11,906,428.80

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Solution

The fourth proportional to 19,483,363.20, 29,225,044.80 and 11,906,428.80 is: 17,859,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483,363.20 : 29,225,044.80 = 11,906,428.80 : x
  2. Step 2: Convert to fraction form
    19,483,363.20/29,225,044.80 = 11,906,428.80/x
  3. Step 3: Cross multiply
    19,483,363.20x = 29,225,044.80 × 11,906,428.80
  4. Step 4: Simplify right side
    19,483,363.20x = 347,965,915,088,010.25
  5. Step 5: Solve for x
    x = 347,965,915,088,010.25/19,483,363.20
  6. Step 6: Final answer
    x = 17,859,643.20

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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.