Home / 21,116,982.23-29,141,435.46-11,459,190.23

Finding the Fourth Proportional to 21,116,982.23, 29,141,435.46 and 11,459,190.23

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Solution

The fourth proportional to 21,116,982.23, 29,141,435.46 and 11,459,190.23 is: 15,813,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,116,982.23 : 29,141,435.46 = 11,459,190.23 : x
  2. Step 2: Convert to fraction form
    21,116,982.23/29,141,435.46 = 11,459,190.23/x
  3. Step 3: Cross multiply
    21,116,982.23x = 29,141,435.46 × 11,459,190.23
  4. Step 4: Simplify right side
    21,116,982.23x = 333,937,252,365,700.38
  5. Step 5: Solve for x
    x = 333,937,252,365,700.38/21,116,982.23
  6. Step 6: Final answer
    x = 15,813,682.50

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Double scale
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1.5x scale

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.