Home / 13,623,952.99-18,800,918.22-7,428,984.50

Finding the Fourth Proportional to 13,623,952.99, 18,800,918.22 and 7,428,984.50

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Solution

The fourth proportional to 13,623,952.99, 18,800,918.22 and 7,428,984.50 is: 10,251,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623,952.99 : 18,800,918.22 = 7,428,984.50 : x
  2. Step 2: Convert to fraction form
    13,623,952.99/18,800,918.22 = 7,428,984.50/x
  3. Step 3: Cross multiply
    13,623,952.99x = 18,800,918.22 × 7,428,984.50
  4. Step 4: Simplify right side
    13,623,952.99x = 139,671,730,042,147.58
  5. Step 5: Solve for x
    x = 139,671,730,042,147.58/13,623,952.99
  6. Step 6: Final answer
    x = 10,251,923.96

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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.