Home / 21,116,999.02-29,141,458.64-11,459,207.02

Finding the Fourth Proportional to 21,116,999.02, 29,141,458.64 and 11,459,207.02

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Solution

The fourth proportional to 21,116,999.02, 29,141,458.64 and 11,459,207.02 is: 15,813,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,116,999.02 : 29,141,458.64 = 11,459,207.02 : x
  2. Step 2: Convert to fraction form
    21,116,999.02/29,141,458.64 = 11,459,207.02/x
  3. Step 3: Cross multiply
    21,116,999.02x = 29,141,458.64 × 11,459,207.02
  4. Step 4: Simplify right side
    21,116,999.02x = 333,938,007,420,527.62
  5. Step 5: Solve for x
    x = 333,938,007,420,527.62/21,116,999.02
  6. Step 6: Final answer
    x = 15,813,705.68

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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.