Home / 13,206,450.21-18,203,839.32-10,411,015.87

Finding the Fourth Proportional to 13,206,450.21, 18,203,839.32 and 10,411,015.87

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Solution

The fourth proportional to 13,206,450.21, 18,203,839.32 and 10,411,015.87 is: 14,350,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,450.21 : 18,203,839.32 = 10,411,015.87 : x
  2. Step 2: Convert to fraction form
    13,206,450.21/18,203,839.32 = 10,411,015.87/x
  3. Step 3: Cross multiply
    13,206,450.21x = 18,203,839.32 × 10,411,015.87
  4. Step 4: Simplify right side
    13,206,450.21x = 189,520,460,055,450
  5. Step 5: Solve for x
    x = 189,520,460,055,450/13,206,450.21
  6. Step 6: Final answer
    x = 14,350,598.16

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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.