Home / 12,800,325.48-19,200,506.63-5,227,291.23

Finding the Fourth Proportional to 12,800,325.48, 19,200,506.63 and 5,227,291.23

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Solution

The fourth proportional to 12,800,325.48, 19,200,506.63 and 5,227,291.23 is: 7,840,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800,325.48 : 19,200,506.63 = 5,227,291.23 : x
  2. Step 2: Convert to fraction form
    12,800,325.48/19,200,506.63 = 5,227,291.23/x
  3. Step 3: Cross multiply
    12,800,325.48x = 19,200,506.63 × 5,227,291.23
  4. Step 4: Simplify right side
    12,800,325.48x = 100,366,639,892,419.41
  5. Step 5: Solve for x
    x = 100,366,639,892,419.41/12,800,325.48
  6. Step 6: Final answer
    x = 7,840,944.36

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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.