Home / 30,323,247.11-45,489,573.43-12,815,877.96

Finding the Fourth Proportional to 30,323,247.11, 45,489,573.43 and 12,815,877.96

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Solution

The fourth proportional to 30,323,247.11, 45,489,573.43 and 12,815,877.96 is: 19,225,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323,247.11 : 45,489,573.43 = 12,815,877.96 : x
  2. Step 2: Convert to fraction form
    30,323,247.11/45,489,573.43 = 12,815,877.96/x
  3. Step 3: Cross multiply
    30,323,247.11x = 45,489,573.43 × 12,815,877.96
  4. Step 4: Simplify right side
    30,323,247.11x = 582,988,821,486,095.25
  5. Step 5: Solve for x
    x = 582,988,821,486,095.25/30,323,247.11
  6. Step 6: Final answer
    x = 19,225,804.53

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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.