Home / 13,604,002.68-18,774,372.78-7,492,429.56

Finding the Fourth Proportional to 13,604,002.68, 18,774,372.78 and 7,492,429.56

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Solution

The fourth proportional to 13,604,002.68, 18,774,372.78 and 7,492,429.56 is: 10,340,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,002.68 : 18,774,372.78 = 7,492,429.56 : x
  2. Step 2: Convert to fraction form
    13,604,002.68/18,774,372.78 = 7,492,429.56/x
  3. Step 3: Cross multiply
    13,604,002.68x = 18,774,372.78 × 7,492,429.56
  4. Step 4: Simplify right side
    13,604,002.68x = 140,665,665,587,331.38
  5. Step 5: Solve for x
    x = 140,665,665,587,331.38/13,604,002.68
  6. Step 6: Final answer
    x = 10,340,020.43

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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.