Home / 21,852,136.40-32,778,204.60-11,648,469.20

Finding the Fourth Proportional to 21,852,136.40, 32,778,204.60 and 11,648,469.20

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Solution

The fourth proportional to 21,852,136.40, 32,778,204.60 and 11,648,469.20 is: 17,472,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852,136.40 : 32,778,204.60 = 11,648,469.20 : x
  2. Step 2: Convert to fraction form
    21,852,136.40/32,778,204.60 = 11,648,469.20/x
  3. Step 3: Cross multiply
    21,852,136.40x = 32,778,204.60 × 11,648,469.20
  4. Step 4: Simplify right side
    21,852,136.40x = 381,815,906,714,398.31
  5. Step 5: Solve for x
    x = 381,815,906,714,398.31/21,852,136.40
  6. Step 6: Final answer
    x = 17,472,703.80

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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.