Home / 16,138,001.69-22,270,450.64-9,168,691.52

Finding the Fourth Proportional to 16,138,001.69, 22,270,450.64 and 9,168,691.52

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Solution

The fourth proportional to 16,138,001.69, 22,270,450.64 and 9,168,691.52 is: 12,652,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138,001.69 : 22,270,450.64 = 9,168,691.52 : x
  2. Step 2: Convert to fraction form
    16,138,001.69/22,270,450.64 = 9,168,691.52/x
  3. Step 3: Cross multiply
    16,138,001.69x = 22,270,450.64 × 9,168,691.52
  4. Step 4: Simplify right side
    16,138,001.69x = 204,190,891,939,379.28
  5. Step 5: Solve for x
    x = 204,190,891,939,379.28/16,138,001.69
  6. Step 6: Final answer
    x = 12,652,799.02

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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.