Home / 38,631,280.40-57,946,920.60-11,704,936.40

Finding the Fourth Proportional to 38,631,280.40, 57,946,920.60 and 11,704,936.40

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Solution

The fourth proportional to 38,631,280.40, 57,946,920.60 and 11,704,936.40 is: 17,557,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631,280.40 : 57,946,920.60 = 11,704,936.40 : x
  2. Step 2: Convert to fraction form
    38,631,280.40/57,946,920.60 = 11,704,936.40/x
  3. Step 3: Cross multiply
    38,631,280.40x = 57,946,920.60 × 11,704,936.40
  4. Step 4: Simplify right side
    38,631,280.40x = 678,265,020,198,849.88
  5. Step 5: Solve for x
    x = 678,265,020,198,849.88/38,631,280.40
  6. Step 6: Final answer
    x = 17,557,404.60

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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.