Home / 13,206,451.21-18,203,840.70-10,411,016.87

Finding the Fourth Proportional to 13,206,451.21, 18,203,840.70 and 10,411,016.87

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Solution

The fourth proportional to 13,206,451.21, 18,203,840.70 and 10,411,016.87 is: 14,350,599.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,451.21 : 18,203,840.70 = 10,411,016.87 : x
  2. Step 2: Convert to fraction form
    13,206,451.21/18,203,840.70 = 10,411,016.87/x
  3. Step 3: Cross multiply
    13,206,451.21x = 18,203,840.70 × 10,411,016.87
  4. Step 4: Simplify right side
    13,206,451.21x = 189,520,492,626,492.59
  5. Step 5: Solve for x
    x = 189,520,492,626,492.59/13,206,451.21
  6. Step 6: Final answer
    x = 14,350,599.54

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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.