Home / 21,948,673.68-30,283,697.70-12,659,085

Finding the Fourth Proportional to 21,948,673.68, 30,283,697.70 and 12,659,085

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Solution

The fourth proportional to 21,948,673.68, 30,283,697.70 and 12,659,085 is: 17,466,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948,673.68 : 30,283,697.70 = 12,659,085 : x
  2. Step 2: Convert to fraction form
    21,948,673.68/30,283,697.70 = 12,659,085/x
  3. Step 3: Cross multiply
    21,948,673.68x = 30,283,697.70 × 12,659,085
  4. Step 4: Simplify right side
    21,948,673.68x = 383,363,903,298,604.50
  5. Step 5: Solve for x
    x = 383,363,903,298,604.50/21,948,673.68
  6. Step 6: Final answer
    x = 17,466,381.29

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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.