Home / 22,421,716.90-30,941,968.89-12,108,439.60

Finding the Fourth Proportional to 22,421,716.90, 30,941,968.89 and 12,108,439.60

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Solution

The fourth proportional to 22,421,716.90, 30,941,968.89 and 12,108,439.60 is: 16,709,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421,716.90 : 30,941,968.89 = 12,108,439.60 : x
  2. Step 2: Convert to fraction form
    22,421,716.90/30,941,968.89 = 12,108,439.60/x
  3. Step 3: Cross multiply
    22,421,716.90x = 30,941,968.89 × 12,108,439.60
  4. Step 4: Simplify right side
    22,421,716.90x = 374,658,961,409,644.06
  5. Step 5: Solve for x
    x = 374,658,961,409,644.06/22,421,716.90
  6. Step 6: Final answer
    x = 16,709,646.41

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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.