Home / 10,348,081.12-15,523,992.78-4,279,518.19

Finding the Fourth Proportional to 10,348,081.12, 15,523,992.78 and 4,279,518.19

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Solution

The fourth proportional to 10,348,081.12, 15,523,992.78 and 4,279,518.19 is: 6,420,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348,081.12 : 15,523,992.78 = 4,279,518.19 : x
  2. Step 2: Convert to fraction form
    10,348,081.12/15,523,992.78 = 4,279,518.19/x
  3. Step 3: Cross multiply
    10,348,081.12x = 15,523,992.78 × 4,279,518.19
  4. Step 4: Simplify right side
    10,348,081.12x = 66,435,209,483,438.67
  5. Step 5: Solve for x
    x = 66,435,209,483,438.67/10,348,081.12
  6. Step 6: Final answer
    x = 6,420,051.09

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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.