Home / 21,931,069.92-30,264,883.44-12,008,581.20

Finding the Fourth Proportional to 21,931,069.92, 30,264,883.44 and 12,008,581.20

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Solution

The fourth proportional to 21,931,069.92, 30,264,883.44 and 12,008,581.20 is: 16,571,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931,069.92 : 30,264,883.44 = 12,008,581.20 : x
  2. Step 2: Convert to fraction form
    21,931,069.92/30,264,883.44 = 12,008,581.20/x
  3. Step 3: Cross multiply
    21,931,069.92x = 30,264,883.44 × 12,008,581.20
  4. Step 4: Simplify right side
    21,931,069.92x = 363,438,310,297,775.31
  5. Step 5: Solve for x
    x = 363,438,310,297,775.31/21,931,069.92
  6. Step 6: Final answer
    x = 16,571,845.86

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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.