Home / 19,936,963.40-29,905,445.10-11,410,287.80

Finding the Fourth Proportional to 19,936,963.40, 29,905,445.10 and 11,410,287.80

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Solution

The fourth proportional to 19,936,963.40, 29,905,445.10 and 11,410,287.80 is: 17,115,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936,963.40 : 29,905,445.10 = 11,410,287.80 : x
  2. Step 2: Convert to fraction form
    19,936,963.40/29,905,445.10 = 11,410,287.80/x
  3. Step 3: Cross multiply
    19,936,963.40x = 29,905,445.10 × 11,410,287.80
  4. Step 4: Simplify right side
    19,936,963.40x = 341,229,735,378,099.81
  5. Step 5: Solve for x
    x = 341,229,735,378,099.81/19,936,963.40
  6. Step 6: Final answer
    x = 17,115,431.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.