Home / 21,790,862.32-30,068,773.42-12,497,949.40

Finding the Fourth Proportional to 21,790,862.32, 30,068,773.42 and 12,497,949.40

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Solution

The fourth proportional to 21,790,862.32, 30,068,773.42 and 12,497,949.40 is: 17,245,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790,862.32 : 30,068,773.42 = 12,497,949.40 : x
  2. Step 2: Convert to fraction form
    21,790,862.32/30,068,773.42 = 12,497,949.40/x
  3. Step 3: Cross multiply
    21,790,862.32x = 30,068,773.42 × 12,497,949.40
  4. Step 4: Simplify right side
    21,790,862.32x = 375,798,008,723,225
  5. Step 5: Solve for x
    x = 375,798,008,723,225/21,790,862.32
  6. Step 6: Final answer
    x = 17,245,669.46

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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.