Home / 15,604,439.34-21,538,453.86-9,079,329.09

Finding the Fourth Proportional to 15,604,439.34, 21,538,453.86 and 9,079,329.09

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Solution

The fourth proportional to 15,604,439.34, 21,538,453.86 and 9,079,329.09 is: 12,531,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604,439.34 : 21,538,453.86 = 9,079,329.09 : x
  2. Step 2: Convert to fraction form
    15,604,439.34/21,538,453.86 = 9,079,329.09/x
  3. Step 3: Cross multiply
    15,604,439.34x = 21,538,453.86 × 9,079,329.09
  4. Step 4: Simplify right side
    15,604,439.34x = 195,554,710,684,720.78
  5. Step 5: Solve for x
    x = 195,554,710,684,720.78/15,604,439.34
  6. Step 6: Final answer
    x = 12,531,992.11

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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.