Home / 28,567,188.22-42,852,403.42-9,138,120.80

Finding the Fourth Proportional to 28,567,188.22, 42,852,403.42 and 9,138,120.80

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Solution

The fourth proportional to 28,567,188.22, 42,852,403.42 and 9,138,120.80 is: 13,707,699.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567,188.22 : 42,852,403.42 = 9,138,120.80 : x
  2. Step 2: Convert to fraction form
    28,567,188.22/42,852,403.42 = 9,138,120.80/x
  3. Step 3: Cross multiply
    28,567,188.22x = 42,852,403.42 × 9,138,120.80
  4. Step 4: Simplify right side
    28,567,188.22x = 391,590,439,022,293.19
  5. Step 5: Solve for x
    x = 391,590,439,022,293.19/28,567,188.22
  6. Step 6: Final answer
    x = 13,707,699.76

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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.