Home / 13,347,537.66-18,418,892.67-7,545,972.60

Finding the Fourth Proportional to 13,347,537.66, 18,418,892.67 and 7,545,972.60

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Solution

The fourth proportional to 13,347,537.66, 18,418,892.67 and 7,545,972.60 is: 10,413,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347,537.66 : 18,418,892.67 = 7,545,972.60 : x
  2. Step 2: Convert to fraction form
    13,347,537.66/18,418,892.67 = 7,545,972.60/x
  3. Step 3: Cross multiply
    13,347,537.66x = 18,418,892.67 × 7,545,972.60
  4. Step 4: Simplify right side
    13,347,537.66x = 138,988,459,410,160.84
  5. Step 5: Solve for x
    x = 138,988,459,410,160.84/13,347,537.66
  6. Step 6: Final answer
    x = 10,413,041.19

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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.