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Finding the Fourth Proportional to 14,791,809.17, 20,412,305.04 and 8,265,492.25

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Solution

The fourth proportional to 14,791,809.17, 20,412,305.04 and 8,265,492.25 is: 11,406,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791,809.17 : 20,412,305.04 = 8,265,492.25 : x
  2. Step 2: Convert to fraction form
    14,791,809.17/20,412,305.04 = 8,265,492.25/x
  3. Step 3: Cross multiply
    14,791,809.17x = 20,412,305.04 × 8,265,492.25
  4. Step 4: Simplify right side
    14,791,809.17x = 168,717,749,112,755.94
  5. Step 5: Solve for x
    x = 168,717,749,112,755.94/14,791,809.17
  6. Step 6: Final answer
    x = 11,406,160.48

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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.