Home / 12,012,229.87-18,021,416.15-3,492,566.31

Finding the Fourth Proportional to 12,012,229.87, 18,021,416.15 and 3,492,566.31

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Solution

The fourth proportional to 12,012,229.87, 18,021,416.15 and 3,492,566.31 is: 5,239,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,229.87 : 18,021,416.15 = 3,492,566.31 : x
  2. Step 2: Convert to fraction form
    12,012,229.87/18,021,416.15 = 3,492,566.31/x
  3. Step 3: Cross multiply
    12,012,229.87x = 18,021,416.15 × 3,492,566.31
  4. Step 4: Simplify right side
    12,012,229.87x = 62,940,990,903,979.90
  5. Step 5: Solve for x
    x = 62,940,990,903,979.90/12,012,229.87
  6. Step 6: Final answer
    x = 5,239,742.46

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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.