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Finding the Fourth Proportional to 11,927,833.83, 16,459,978.48 and 7,289,378.96

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Solution

The fourth proportional to 11,927,833.83, 16,459,978.48 and 7,289,378.96 is: 10,059,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927,833.83 : 16,459,978.48 = 7,289,378.96 : x
  2. Step 2: Convert to fraction form
    11,927,833.83/16,459,978.48 = 7,289,378.96/x
  3. Step 3: Cross multiply
    11,927,833.83x = 16,459,978.48 × 7,289,378.96
  4. Step 4: Simplify right side
    11,927,833.83x = 119,983,020,713,641.44
  5. Step 5: Solve for x
    x = 119,983,020,713,641.44/11,927,833.83
  6. Step 6: Final answer
    x = 10,059,078.83

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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.