Home / 30,329,166.15-45,493,749.23-18,850,040.55

Finding the Fourth Proportional to 30,329,166.15, 45,493,749.23 and 18,850,040.55

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Solution

The fourth proportional to 30,329,166.15, 45,493,749.23 and 18,850,040.55 is: 28,275,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329,166.15 : 45,493,749.23 = 18,850,040.55 : x
  2. Step 2: Convert to fraction form
    30,329,166.15/45,493,749.23 = 18,850,040.55/x
  3. Step 3: Cross multiply
    30,329,166.15x = 45,493,749.23 × 18,850,040.55
  4. Step 4: Simplify right side
    30,329,166.15x = 857,559,017,662,781.12
  5. Step 5: Solve for x
    x = 857,559,017,662,781.12/30,329,166.15
  6. Step 6: Final answer
    x = 28,275,060.83

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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.