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Finding the Fourth Proportional to 14,603,999.40, 21,864,008.70 and 8,935,295.40

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Solution

The fourth proportional to 14,603,999.40, 21,864,008.70 and 8,935,295.40 is: 13,377,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603,999.40 : 21,864,008.70 = 8,935,295.40 : x
  2. Step 2: Convert to fraction form
    14,603,999.40/21,864,008.70 = 8,935,295.40/x
  3. Step 3: Cross multiply
    14,603,999.40x = 21,864,008.70 × 8,935,295.40
  4. Step 4: Simplify right side
    14,603,999.40x = 195,361,376,362,669.97
  5. Step 5: Solve for x
    x = 195,361,376,362,669.97/14,603,999.40
  6. Step 6: Final answer
    x = 13,377,251.74

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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.