Home / 28,787,659.07-43,189,062.45-10,345,467.18

Finding the Fourth Proportional to 28,787,659.07, 43,189,062.45 and 10,345,467.18

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Solution

The fourth proportional to 28,787,659.07, 43,189,062.45 and 10,345,467.18 is: 15,520,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787,659.07 : 43,189,062.45 = 10,345,467.18 : x
  2. Step 2: Convert to fraction form
    28,787,659.07/43,189,062.45 = 10,345,467.18/x
  3. Step 3: Cross multiply
    28,787,659.07x = 43,189,062.45 × 10,345,467.18
  4. Step 4: Simplify right side
    28,787,659.07x = 446,811,028,111,445.44
  5. Step 5: Solve for x
    x = 446,811,028,111,445.44/28,787,659.07
  6. Step 6: Final answer
    x = 15,520,922.60

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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.