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Finding the Fourth Proportional to 18,843,669.90, 28,265,504.85 and 14,060,700.90

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Solution

The fourth proportional to 18,843,669.90, 28,265,504.85 and 14,060,700.90 is: 21,091,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843,669.90 : 28,265,504.85 = 14,060,700.90 : x
  2. Step 2: Convert to fraction form
    18,843,669.90/28,265,504.85 = 14,060,700.90/x
  3. Step 3: Cross multiply
    18,843,669.90x = 28,265,504.85 × 14,060,700.90
  4. Step 4: Simplify right side
    18,843,669.90x = 397,432,809,483,349.38
  5. Step 5: Solve for x
    x = 397,432,809,483,349.38/18,843,669.90
  6. Step 6: Final answer
    x = 21,091,051.35

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Similar ratio
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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.