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Finding the Fourth Proportional to 14,001,263.80, 20,978,276.10 and 6,797,285.80

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Solution

The fourth proportional to 14,001,263.80, 20,978,276.10 and 6,797,285.80 is: 10,184,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,263.80 : 20,978,276.10 = 6,797,285.80 : x
  2. Step 2: Convert to fraction form
    14,001,263.80/20,978,276.10 = 6,797,285.80/x
  3. Step 3: Cross multiply
    14,001,263.80x = 20,978,276.10 × 6,797,285.80
  4. Step 4: Simplify right side
    14,001,263.80x = 142,595,338,243,009.38
  5. Step 5: Solve for x
    x = 142,595,338,243,009.38/14,001,263.80
  6. Step 6: Final answer
    x = 10,184,461.94

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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.