Home / 28,392,040.40-42,588,060.60-17,621,502.80

Finding the Fourth Proportional to 28,392,040.40, 42,588,060.60 and 17,621,502.80

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Solution

The fourth proportional to 28,392,040.40, 42,588,060.60 and 17,621,502.80 is: 26,432,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,040.40 : 42,588,060.60 = 17,621,502.80 : x
  2. Step 2: Convert to fraction form
    28,392,040.40/42,588,060.60 = 17,621,502.80/x
  3. Step 3: Cross multiply
    28,392,040.40x = 42,588,060.60 × 17,621,502.80
  4. Step 4: Simplify right side
    28,392,040.40x = 750,465,629,109,469.75
  5. Step 5: Solve for x
    x = 750,465,629,109,469.75/28,392,040.40
  6. Step 6: Final answer
    x = 26,432,254.20

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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.