Home / 13,329,008.49-18,394,056.77-7,448,642.69

Finding the Fourth Proportional to 13,329,008.49, 18,394,056.77 and 7,448,642.69

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Solution

The fourth proportional to 13,329,008.49, 18,394,056.77 and 7,448,642.69 is: 10,279,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329,008.49 : 18,394,056.77 = 7,448,642.69 : x
  2. Step 2: Convert to fraction form
    13,329,008.49/18,394,056.77 = 7,448,642.69/x
  3. Step 3: Cross multiply
    13,329,008.49x = 18,394,056.77 × 7,448,642.69
  4. Step 4: Simplify right side
    13,329,008.49x = 137,010,756,370,092.02
  5. Step 5: Solve for x
    x = 137,010,756,370,092.02/13,329,008.49
  6. Step 6: Final answer
    x = 10,279,140.90

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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.