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Finding the Fourth Proportional to 18,913,379.01, 26,102,071.31 and 10,655,062.89

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Solution

The fourth proportional to 18,913,379.01, 26,102,071.31 and 10,655,062.89 is: 14,704,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913,379.01 : 26,102,071.31 = 10,655,062.89 : x
  2. Step 2: Convert to fraction form
    18,913,379.01/26,102,071.31 = 10,655,062.89/x
  3. Step 3: Cross multiply
    18,913,379.01x = 26,102,071.31 × 10,655,062.89
  4. Step 4: Simplify right side
    18,913,379.01x = 278,119,211,314,039.38
  5. Step 5: Solve for x
    x = 278,119,211,314,039.38/18,913,379.01
  6. Step 6: Final answer
    x = 14,704,892.83

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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.