Home / 21,541,645.40-32,256,480.90-17,025,344.60

Finding the Fourth Proportional to 21,541,645.40, 32,256,480.90 and 17,025,344.60

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Solution

The fourth proportional to 21,541,645.40, 32,256,480.90 and 17,025,344.60 is: 25,493,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541,645.40 : 32,256,480.90 = 17,025,344.60 : x
  2. Step 2: Convert to fraction form
    21,541,645.40/32,256,480.90 = 17,025,344.60/x
  3. Step 3: Cross multiply
    21,541,645.40x = 32,256,480.90 × 17,025,344.60
  4. Step 4: Simplify right side
    21,541,645.40x = 549,177,702,905,818.19
  5. Step 5: Solve for x
    x = 549,177,702,905,818.19/21,541,645.40
  6. Step 6: Final answer
    x = 25,493,767.66

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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.