Home / 12,569,901.72-17,345,976.24-7,683,305.64

Finding the Fourth Proportional to 12,569,901.72, 17,345,976.24 and 7,683,305.64

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Solution

The fourth proportional to 12,569,901.72, 17,345,976.24 and 7,683,305.64 is: 10,602,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569,901.72 : 17,345,976.24 = 7,683,305.64 : x
  2. Step 2: Convert to fraction form
    12,569,901.72/17,345,976.24 = 7,683,305.64/x
  3. Step 3: Cross multiply
    12,569,901.72x = 17,345,976.24 × 7,683,305.64
  4. Step 4: Simplify right side
    12,569,901.72x = 133,274,437,076,097.97
  5. Step 5: Solve for x
    x = 133,274,437,076,097.97/12,569,901.72
  6. Step 6: Final answer
    x = 10,602,663.41

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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.