Home / 21,116,943-29,141,381.34-11,459,151

Finding the Fourth Proportional to 21,116,943, 29,141,381.34 and 11,459,151

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Solution

The fourth proportional to 21,116,943, 29,141,381.34 and 11,459,151 is: 15,813,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,116,943 : 29,141,381.34 = 11,459,151 : x
  2. Step 2: Convert to fraction form
    21,116,943/29,141,381.34 = 11,459,151/x
  3. Step 3: Cross multiply
    21,116,943x = 29,141,381.34 × 11,459,151
  4. Step 4: Simplify right side
    21,116,943x = 333,935,489,123,642.31
  5. Step 5: Solve for x
    x = 333,935,489,123,642.31/21,116,943
  6. Step 6: Final answer
    x = 15,813,628.38

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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.