Home / 20,215,217.40-30,322,826.10-19,683,776.40

Finding the Fourth Proportional to 20,215,217.40, 30,322,826.10 and 19,683,776.40

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Solution

The fourth proportional to 20,215,217.40, 30,322,826.10 and 19,683,776.40 is: 29,525,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,217.40 : 30,322,826.10 = 19,683,776.40 : x
  2. Step 2: Convert to fraction form
    20,215,217.40/30,322,826.10 = 19,683,776.40/x
  3. Step 3: Cross multiply
    20,215,217.40x = 30,322,826.10 × 19,683,776.40
  4. Step 4: Simplify right side
    20,215,217.40x = 596,867,728,768,484
  5. Step 5: Solve for x
    x = 596,867,728,768,484/20,215,217.40
  6. Step 6: Final answer
    x = 29,525,664.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.