Home / 12,114,656.70-18,181,899.45-12,020,178.30

Finding the Fourth Proportional to 12,114,656.70, 18,181,899.45 and 12,020,178.30

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Solution

The fourth proportional to 12,114,656.70, 18,181,899.45 and 12,020,178.30 is: 18,040,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114,656.70 : 18,181,899.45 = 12,020,178.30 : x
  2. Step 2: Convert to fraction form
    12,114,656.70/18,181,899.45 = 12,020,178.30/x
  3. Step 3: Cross multiply
    12,114,656.70x = 18,181,899.45 × 12,020,178.30
  4. Step 4: Simplify right side
    12,114,656.70x = 218,549,673,221,671.94
  5. Step 5: Solve for x
    x = 218,549,673,221,671.94/12,114,656.70
  6. Step 6: Final answer
    x = 18,040,104.53

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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.