Home / 38,345,315.80-57,489,980.10-15,614,512.60

Finding the Fourth Proportional to 38,345,315.80, 57,489,980.10 and 15,614,512.60

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Solution

The fourth proportional to 38,345,315.80, 57,489,980.10 and 15,614,512.60 is: 23,410,369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,345,315.80 : 57,489,980.10 = 15,614,512.60 : x
  2. Step 2: Convert to fraction form
    38,345,315.80/57,489,980.10 = 15,614,512.60/x
  3. Step 3: Cross multiply
    38,345,315.80x = 57,489,980.10 × 15,614,512.60
  4. Step 4: Simplify right side
    38,345,315.80x = 897,678,018,645,199.25
  5. Step 5: Solve for x
    x = 897,678,018,645,199.25/38,345,315.80
  6. Step 6: Final answer
    x = 23,410,369.69

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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.