Home / 11,909,106.45-16,438,267.31-9,466,052.49

Finding the Fourth Proportional to 11,909,106.45, 16,438,267.31 and 9,466,052.49

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Solution

The fourth proportional to 11,909,106.45, 16,438,267.31 and 9,466,052.49 is: 13,066,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,106.45 : 16,438,267.31 = 9,466,052.49 : x
  2. Step 2: Convert to fraction form
    11,909,106.45/16,438,267.31 = 9,466,052.49/x
  3. Step 3: Cross multiply
    11,909,106.45x = 16,438,267.31 × 9,466,052.49
  4. Step 4: Simplify right side
    11,909,106.45x = 155,605,501,153,780.84
  5. Step 5: Solve for x
    x = 155,605,501,153,780.84/11,909,106.45
  6. Step 6: Final answer
    x = 13,066,093.73

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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.