Home / 21,116,984.36-29,141,438.40-11,459,192.36

Finding the Fourth Proportional to 21,116,984.36, 29,141,438.40 and 11,459,192.36

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Solution

The fourth proportional to 21,116,984.36, 29,141,438.40 and 11,459,192.36 is: 15,813,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,116,984.36 : 29,141,438.40 = 11,459,192.36 : x
  2. Step 2: Convert to fraction form
    21,116,984.36/29,141,438.40 = 11,459,192.36/x
  3. Step 3: Cross multiply
    21,116,984.36x = 29,141,438.40 × 11,459,192.36
  4. Step 4: Simplify right side
    21,116,984.36x = 333,937,348,126,983.44
  5. Step 5: Solve for x
    x = 333,937,348,126,983.44/21,116,984.36
  6. Step 6: Final answer
    x = 15,813,685.44

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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.