Home / 19,368,320.20-29,040,038.70-8,013,286.60

Finding the Fourth Proportional to 19,368,320.20, 29,040,038.70 and 8,013,286.60

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Solution

The fourth proportional to 19,368,320.20, 29,040,038.70 and 8,013,286.60 is: 12,014,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368,320.20 : 29,040,038.70 = 8,013,286.60 : x
  2. Step 2: Convert to fraction form
    19,368,320.20/29,040,038.70 = 8,013,286.60/x
  3. Step 3: Cross multiply
    19,368,320.20x = 29,040,038.70 × 8,013,286.60
  4. Step 4: Simplify right side
    19,368,320.20x = 232,706,152,978,191.41
  5. Step 5: Solve for x
    x = 232,706,152,978,191.41/19,368,320.20
  6. Step 6: Final answer
    x = 12,014,782.42

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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.