Home / 12,328,890.03-16,999,945.16-9,221,454.83

Finding the Fourth Proportional to 12,328,890.03, 16,999,945.16 and 9,221,454.83

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Solution

The fourth proportional to 12,328,890.03, 16,999,945.16 and 9,221,454.83 is: 12,715,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328,890.03 : 16,999,945.16 = 9,221,454.83 : x
  2. Step 2: Convert to fraction form
    12,328,890.03/16,999,945.16 = 9,221,454.83/x
  3. Step 3: Cross multiply
    12,328,890.03x = 16,999,945.16 × 9,221,454.83
  4. Step 4: Simplify right side
    12,328,890.03x = 156,764,226,401,809.72
  5. Step 5: Solve for x
    x = 156,764,226,401,809.72/12,328,890.03
  6. Step 6: Final answer
    x = 12,715,193.83

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Double scale
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1.5x scale

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.