Home / 28,214,062.08-38,939,659.20-17,207,200.32

Finding the Fourth Proportional to 28,214,062.08, 38,939,659.20 and 17,207,200.32

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Solution

The fourth proportional to 28,214,062.08, 38,939,659.20 and 17,207,200.32 is: 23,748,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214,062.08 : 38,939,659.20 = 17,207,200.32 : x
  2. Step 2: Convert to fraction form
    28,214,062.08/38,939,659.20 = 17,207,200.32/x
  3. Step 3: Cross multiply
    28,214,062.08x = 38,939,659.20 × 17,207,200.32
  4. Step 4: Simplify right side
    28,214,062.08x = 670,042,516,246,931
  5. Step 5: Solve for x
    x = 670,042,516,246,931/28,214,062.08
  6. Step 6: Final answer
    x = 23,748,530.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.