Home / 21,551,721.80-32,327,582.70-17,725,346.60

Finding the Fourth Proportional to 21,551,721.80, 32,327,582.70 and 17,725,346.60

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Solution

The fourth proportional to 21,551,721.80, 32,327,582.70 and 17,725,346.60 is: 26,588,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,721.80 : 32,327,582.70 = 17,725,346.60 : x
  2. Step 2: Convert to fraction form
    21,551,721.80/32,327,582.70 = 17,725,346.60/x
  3. Step 3: Cross multiply
    21,551,721.80x = 32,327,582.70 × 17,725,346.60
  4. Step 4: Simplify right side
    21,551,721.80x = 573,017,608,097,663.88
  5. Step 5: Solve for x
    x = 573,017,608,097,663.88/21,551,721.80
  6. Step 6: Final answer
    x = 26,588,019.90

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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.