Home / 11,909,105.70-16,438,266.27-9,466,051.74

Finding the Fourth Proportional to 11,909,105.70, 16,438,266.27 and 9,466,051.74

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Solution

The fourth proportional to 11,909,105.70, 16,438,266.27 and 9,466,051.74 is: 13,066,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,105.70 : 16,438,266.27 = 9,466,051.74 : x
  2. Step 2: Convert to fraction form
    11,909,105.70/16,438,266.27 = 9,466,051.74/x
  3. Step 3: Cross multiply
    11,909,105.70x = 16,438,266.27 × 9,466,051.74
  4. Step 4: Simplify right side
    11,909,105.70x = 155,605,479,027,716.81
  5. Step 5: Solve for x
    x = 155,605,479,027,716.81/11,909,105.70
  6. Step 6: Final answer
    x = 13,066,092.70

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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.