Home / 13,384,333.09-18,470,490.39-7,272,761.59

Finding the Fourth Proportional to 13,384,333.09, 18,470,490.39 and 7,272,761.59

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Solution

The fourth proportional to 13,384,333.09, 18,470,490.39 and 7,272,761.59 is: 10,036,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,333.09 : 18,470,490.39 = 7,272,761.59 : x
  2. Step 2: Convert to fraction form
    13,384,333.09/18,470,490.39 = 7,272,761.59/x
  3. Step 3: Cross multiply
    13,384,333.09x = 18,470,490.39 × 7,272,761.59
  4. Step 4: Simplify right side
    13,384,333.09x = 134,331,473,056,856.12
  5. Step 5: Solve for x
    x = 134,331,473,056,856.12/13,384,333.09
  6. Step 6: Final answer
    x = 10,036,471.16

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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.