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Finding the Fourth Proportional to 15,768,695.52, 21,759,496.44 and 8,894,867.04

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Solution

The fourth proportional to 15,768,695.52, 21,759,496.44 and 8,894,867.04 is: 12,274,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768,695.52 : 21,759,496.44 = 8,894,867.04 : x
  2. Step 2: Convert to fraction form
    15,768,695.52/21,759,496.44 = 8,894,867.04/x
  3. Step 3: Cross multiply
    15,768,695.52x = 21,759,496.44 × 8,894,867.04
  4. Step 4: Simplify right side
    15,768,695.52x = 193,547,827,691,153.34
  5. Step 5: Solve for x
    x = 193,547,827,691,153.34/15,768,695.52
  6. Step 6: Final answer
    x = 12,274,181.30

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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.