Home / 21,221,584.17-31,840,258.31-14,741,244.98

Finding the Fourth Proportional to 21,221,584.17, 31,840,258.31 and 14,741,244.98

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Solution

The fourth proportional to 21,221,584.17, 31,840,258.31 and 14,741,244.98 is: 22,117,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,221,584.17 : 31,840,258.31 = 14,741,244.98 : x
  2. Step 2: Convert to fraction form
    21,221,584.17/31,840,258.31 = 14,741,244.98/x
  3. Step 3: Cross multiply
    21,221,584.17x = 31,840,258.31 × 14,741,244.98
  4. Step 4: Simplify right side
    21,221,584.17x = 469,365,047,915,963.88
  5. Step 5: Solve for x
    x = 469,365,047,915,963.88/21,221,584.17
  6. Step 6: Final answer
    x = 22,117,342.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.