Home / 21,116,988.73-29,141,444.45-11,459,196.73

Finding the Fourth Proportional to 21,116,988.73, 29,141,444.45 and 11,459,196.73

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Solution

The fourth proportional to 21,116,988.73, 29,141,444.45 and 11,459,196.73 is: 15,813,691.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,116,988.73 : 29,141,444.45 = 11,459,196.73 : x
  2. Step 2: Convert to fraction form
    21,116,988.73/29,141,444.45 = 11,459,196.73/x
  3. Step 3: Cross multiply
    21,116,988.73x = 29,141,444.45 × 11,459,196.73
  4. Step 4: Simplify right side
    21,116,988.73x = 333,937,544,948,916.62
  5. Step 5: Solve for x
    x = 333,937,544,948,916.62/21,116,988.73
  6. Step 6: Final answer
    x = 15,813,691.49

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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.