Home / 21,888,021.20-32,832,031.80-5,931,669.20

Finding the Fourth Proportional to 21,888,021.20, 32,832,031.80 and 5,931,669.20

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Solution

The fourth proportional to 21,888,021.20, 32,832,031.80 and 5,931,669.20 is: 8,897,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,021.20 : 32,832,031.80 = 5,931,669.20 : x
  2. Step 2: Convert to fraction form
    21,888,021.20/32,832,031.80 = 5,931,669.20/x
  3. Step 3: Cross multiply
    21,888,021.20x = 32,832,031.80 × 5,931,669.20
  4. Step 4: Simplify right side
    21,888,021.20x = 194,748,751,801,480.56
  5. Step 5: Solve for x
    x = 194,748,751,801,480.56/21,888,021.20
  6. Step 6: Final answer
    x = 8,897,503.80

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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.