Home / 15,537,129.23-21,441,755.95-8,473,107.89

Finding the Fourth Proportional to 15,537,129.23, 21,441,755.95 and 8,473,107.89

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Solution

The fourth proportional to 15,537,129.23, 21,441,755.95 and 8,473,107.89 is: 11,693,171.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537,129.23 : 21,441,755.95 = 8,473,107.89 : x
  2. Step 2: Convert to fraction form
    15,537,129.23/21,441,755.95 = 8,473,107.89/x
  3. Step 3: Cross multiply
    15,537,129.23x = 21,441,755.95 × 8,473,107.89
  4. Step 4: Simplify right side
    15,537,129.23x = 181,678,311,515,399.44
  5. Step 5: Solve for x
    x = 181,678,311,515,399.44/15,537,129.23
  6. Step 6: Final answer
    x = 11,693,171.17

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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.