Home / 18,279,971.91-25,211,652.09-16,070,109.72

Finding the Fourth Proportional to 18,279,971.91, 25,211,652.09 and 16,070,109.72

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Solution

The fourth proportional to 18,279,971.91, 25,211,652.09 and 16,070,109.72 is: 22,163,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,971.91 : 25,211,652.09 = 16,070,109.72 : x
  2. Step 2: Convert to fraction form
    18,279,971.91/25,211,652.09 = 16,070,109.72/x
  3. Step 3: Cross multiply
    18,279,971.91x = 25,211,652.09 × 16,070,109.72
  4. Step 4: Simplify right side
    18,279,971.91x = 405,154,015,358,705.25
  5. Step 5: Solve for x
    x = 405,154,015,358,705.25/18,279,971.91
  6. Step 6: Final answer
    x = 22,163,820.46

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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.