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Finding the Fourth Proportional to 14,432,909.01, 19,909,864.04 and 8,924,522.64

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Solution

The fourth proportional to 14,432,909.01, 19,909,864.04 and 8,924,522.64 is: 12,311,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432,909.01 : 19,909,864.04 = 8,924,522.64 : x
  2. Step 2: Convert to fraction form
    14,432,909.01/19,909,864.04 = 8,924,522.64/x
  3. Step 3: Cross multiply
    14,432,909.01x = 19,909,864.04 × 8,924,522.64
  4. Step 4: Simplify right side
    14,432,909.01x = 177,686,032,339,679.25
  5. Step 5: Solve for x
    x = 177,686,032,339,679.25/14,432,909.01
  6. Step 6: Final answer
    x = 12,311,172.49

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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.