Home / 12,226,641.05-18,338,837.07-4,138,692.23

Finding the Fourth Proportional to 12,226,641.05, 18,338,837.07 and 4,138,692.23

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Solution

The fourth proportional to 12,226,641.05, 18,338,837.07 and 4,138,692.23 is: 6,207,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,641.05 : 18,338,837.07 = 4,138,692.23 : x
  2. Step 2: Convert to fraction form
    12,226,641.05/18,338,837.07 = 4,138,692.23/x
  3. Step 3: Cross multiply
    12,226,641.05x = 18,338,837.07 × 4,138,692.23
  4. Step 4: Simplify right side
    12,226,641.05x = 75,898,802,397,150.78
  5. Step 5: Solve for x
    x = 75,898,802,397,150.78/12,226,641.05
  6. Step 6: Final answer
    x = 6,207,657.70

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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.