Home / 13,665,377.46-18,845,998.65-11,338,579.26

Finding the Fourth Proportional to 13,665,377.46, 18,845,998.65 and 11,338,579.26

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Solution

The fourth proportional to 13,665,377.46, 18,845,998.65 and 11,338,579.26 is: 15,637,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,377.46 : 18,845,998.65 = 11,338,579.26 : x
  2. Step 2: Convert to fraction form
    13,665,377.46/18,845,998.65 = 11,338,579.26/x
  3. Step 3: Cross multiply
    13,665,377.46x = 18,845,998.65 × 11,338,579.26
  4. Step 4: Simplify right side
    13,665,377.46x = 213,686,849,426,877.97
  5. Step 5: Solve for x
    x = 213,686,849,426,877.97/13,665,377.46
  6. Step 6: Final answer
    x = 15,637,098.21

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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.