Home / 21,652,693.60-29,880,716.50-11,863,508.66

Finding the Fourth Proportional to 21,652,693.60, 29,880,716.50 and 11,863,508.66

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Solution

The fourth proportional to 21,652,693.60, 29,880,716.50 and 11,863,508.66 is: 16,371,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652,693.60 : 29,880,716.50 = 11,863,508.66 : x
  2. Step 2: Convert to fraction form
    21,652,693.60/29,880,716.50 = 11,863,508.66/x
  3. Step 3: Cross multiply
    21,652,693.60x = 29,880,716.50 × 11,863,508.66
  4. Step 4: Simplify right side
    21,652,693.60x = 354,490,138,964,754.88
  5. Step 5: Solve for x
    x = 354,490,138,964,754.88/21,652,693.60
  6. Step 6: Final answer
    x = 16,371,641.58

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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.