Home / 22,421,696.81-30,941,941.29-12,108,419.60

Finding the Fourth Proportional to 22,421,696.81, 30,941,941.29 and 12,108,419.60

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Solution

The fourth proportional to 22,421,696.81, 30,941,941.29 and 12,108,419.60 is: 16,709,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421,696.81 : 30,941,941.29 = 12,108,419.60 : x
  2. Step 2: Convert to fraction form
    22,421,696.81/30,941,941.29 = 12,108,419.60/x
  3. Step 3: Cross multiply
    22,421,696.81x = 30,941,941.29 × 12,108,419.60
  4. Step 4: Simplify right side
    22,421,696.81x = 374,658,008,377,885.25
  5. Step 5: Solve for x
    x = 374,658,008,377,885.25/22,421,696.81
  6. Step 6: Final answer
    x = 16,709,618.88

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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.