Home / 15,412,046.52-21,268,623.81-8,536,971.45

Finding the Fourth Proportional to 15,412,046.52, 21,268,623.81 and 8,536,971.45

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Solution

The fourth proportional to 15,412,046.52, 21,268,623.81 and 8,536,971.45 is: 11,781,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412,046.52 : 21,268,623.81 = 8,536,971.45 : x
  2. Step 2: Convert to fraction form
    15,412,046.52/21,268,623.81 = 8,536,971.45/x
  3. Step 3: Cross multiply
    15,412,046.52x = 21,268,623.81 × 8,536,971.45
  4. Step 4: Simplify right side
    15,412,046.52x = 181,569,634,246,760.19
  5. Step 5: Solve for x
    x = 181,569,634,246,760.19/15,412,046.52
  6. Step 6: Final answer
    x = 11,781,020.39

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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.