Home / 12,740,820.84-19,111,230.78-3,642,846.12

Finding the Fourth Proportional to 12,740,820.84, 19,111,230.78 and 3,642,846.12

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Solution

The fourth proportional to 12,740,820.84, 19,111,230.78 and 3,642,846.12 is: 5,464,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740,820.84 : 19,111,230.78 = 3,642,846.12 : x
  2. Step 2: Convert to fraction form
    12,740,820.84/19,111,230.78 = 3,642,846.12/x
  3. Step 3: Cross multiply
    12,740,820.84x = 19,111,230.78 × 3,642,846.12
  4. Step 4: Simplify right side
    12,740,820.84x = 69,619,272,895,347.58
  5. Step 5: Solve for x
    x = 69,619,272,895,347.58/12,740,820.84
  6. Step 6: Final answer
    x = 5,464,269.04

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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.