Home / 30,702,612.56-42,370,265.48-16,952,445.52

Finding the Fourth Proportional to 30,702,612.56, 42,370,265.48 and 16,952,445.52

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Solution

The fourth proportional to 30,702,612.56, 42,370,265.48 and 16,952,445.52 is: 23,394,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702,612.56 : 42,370,265.48 = 16,952,445.52 : x
  2. Step 2: Convert to fraction form
    30,702,612.56/42,370,265.48 = 16,952,445.52/x
  3. Step 3: Cross multiply
    30,702,612.56x = 42,370,265.48 × 16,952,445.52
  4. Step 4: Simplify right side
    30,702,612.56x = 718,279,617,217,636.62
  5. Step 5: Solve for x
    x = 718,279,617,217,636.62/30,702,612.56
  6. Step 6: Final answer
    x = 23,394,739.32

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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.