Home / 21,526,783.56-29,690,143.38-13,792,579.56

Finding the Fourth Proportional to 21,526,783.56, 29,690,143.38 and 13,792,579.56

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Solution

The fourth proportional to 21,526,783.56, 29,690,143.38 and 13,792,579.56 is: 19,022,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526,783.56 : 29,690,143.38 = 13,792,579.56 : x
  2. Step 2: Convert to fraction form
    21,526,783.56/29,690,143.38 = 13,792,579.56/x
  3. Step 3: Cross multiply
    21,526,783.56x = 29,690,143.38 × 13,792,579.56
  4. Step 4: Simplify right side
    21,526,783.56x = 409,503,664,716,457.31
  5. Step 5: Solve for x
    x = 409,503,664,716,457.31/21,526,783.56
  6. Step 6: Final answer
    x = 19,022,984.25

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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.