Home / 12,017,010-18,028,350-3,929,953.80

Finding the Fourth Proportional to 12,017,010, 18,028,350 and 3,929,953.80

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Solution

The fourth proportional to 12,017,010, 18,028,350 and 3,929,953.80 is: 5,895,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017,010 : 18,028,350 = 3,929,953.80 : x
  2. Step 2: Convert to fraction form
    12,017,010/18,028,350 = 3,929,953.80/x
  3. Step 3: Cross multiply
    12,017,010x = 18,028,350 × 3,929,953.80
  4. Step 4: Simplify right side
    12,017,010x = 70,850,582,590,230
  5. Step 5: Solve for x
    x = 70,850,582,590,230/12,017,010
  6. Step 6: Final answer
    x = 5,895,857.84

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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.