Home / 12,948,120.40-19,424,772.60-3,850,200.40

Finding the Fourth Proportional to 12,948,120.40, 19,424,772.60 and 3,850,200.40

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Solution

The fourth proportional to 12,948,120.40, 19,424,772.60 and 3,850,200.40 is: 5,776,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,120.40 : 19,424,772.60 = 3,850,200.40 : x
  2. Step 2: Convert to fraction form
    12,948,120.40/19,424,772.60 = 3,850,200.40/x
  3. Step 3: Cross multiply
    12,948,120.40x = 19,424,772.60 × 3,850,200.40
  4. Step 4: Simplify right side
    12,948,120.40x = 74,789,267,234,429.05
  5. Step 5: Solve for x
    x = 74,789,267,234,429.05/12,948,120.40
  6. Step 6: Final answer
    x = 5,776,071.35

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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.