Home / 12,731,371.48-17,535,822.30-9,785,555.56

Finding the Fourth Proportional to 12,731,371.48, 17,535,822.30 and 9,785,555.56

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Solution

The fourth proportional to 12,731,371.48, 17,535,822.30 and 9,785,555.56 is: 13,478,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,371.48 : 17,535,822.30 = 9,785,555.56 : x
  2. Step 2: Convert to fraction form
    12,731,371.48/17,535,822.30 = 9,785,555.56/x
  3. Step 3: Cross multiply
    12,731,371.48x = 17,535,822.30 × 9,785,555.56
  4. Step 4: Simplify right side
    12,731,371.48x = 171,597,763,406,937
  5. Step 5: Solve for x
    x = 171,597,763,406,937/12,731,371.48
  6. Step 6: Final answer
    x = 13,478,340.78

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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.