Home / 21,611,606.85-29,824,728.81-11,821,827.00

Finding the Fourth Proportional to 21,611,606.85, 29,824,728.81 and 11,821,827.00

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Solution

The fourth proportional to 21,611,606.85, 29,824,728.81 and 11,821,827.00 is: 16,314,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611,606.85 : 29,824,728.81 = 11,821,827.00 : x
  2. Step 2: Convert to fraction form
    21,611,606.85/29,824,728.81 = 11,821,827.00/x
  3. Step 3: Cross multiply
    21,611,606.85x = 29,824,728.81 × 11,821,827.00
  4. Step 4: Simplify right side
    21,611,606.85x = 352,582,784,381,246.75
  5. Step 5: Solve for x
    x = 352,582,784,381,246.75/21,611,606.85
  6. Step 6: Final answer
    x = 16,314,510.38

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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.