Home / 12,220,230.15-18,330,345.23-12,031,273.35

Finding the Fourth Proportional to 12,220,230.15, 18,330,345.23 and 12,031,273.35

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Solution

The fourth proportional to 12,220,230.15, 18,330,345.23 and 12,031,273.35 is: 18,046,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,230.15 : 18,330,345.23 = 12,031,273.35 : x
  2. Step 2: Convert to fraction form
    12,220,230.15/18,330,345.23 = 12,031,273.35/x
  3. Step 3: Cross multiply
    12,220,230.15x = 18,330,345.23 × 12,031,273.35
  4. Step 4: Simplify right side
    12,220,230.15x = 220,537,394,001,842.25
  5. Step 5: Solve for x
    x = 220,537,394,001,842.25/12,220,230.15
  6. Step 6: Final answer
    x = 18,046,910.03

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1.5x scale

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.