Home / 13,161,209.52-18,167,035.14-9,044,866.98

Finding the Fourth Proportional to 13,161,209.52, 18,167,035.14 and 9,044,866.98

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Solution

The fourth proportional to 13,161,209.52, 18,167,035.14 and 9,044,866.98 is: 12,485,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161,209.52 : 18,167,035.14 = 9,044,866.98 : x
  2. Step 2: Convert to fraction form
    13,161,209.52/18,167,035.14 = 9,044,866.98/x
  3. Step 3: Cross multiply
    13,161,209.52x = 18,167,035.14 × 9,044,866.98
  4. Step 4: Simplify right side
    13,161,209.52x = 164,318,416,262,285.69
  5. Step 5: Solve for x
    x = 164,318,416,262,285.69/13,161,209.52
  6. Step 6: Final answer
    x = 12,485,054.36

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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.