Home / 12,905,321.60-17,809,570.31-7,025,124.85

Finding the Fourth Proportional to 12,905,321.60, 17,809,570.31 and 7,025,124.85

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Solution

The fourth proportional to 12,905,321.60, 17,809,570.31 and 7,025,124.85 is: 9,694,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,321.60 : 17,809,570.31 = 7,025,124.85 : x
  2. Step 2: Convert to fraction form
    12,905,321.60/17,809,570.31 = 7,025,124.85/x
  3. Step 3: Cross multiply
    12,905,321.60x = 17,809,570.31 × 7,025,124.85
  4. Step 4: Simplify right side
    12,905,321.60x = 125,114,454,872,953.66
  5. Step 5: Solve for x
    x = 125,114,454,872,953.66/12,905,321.60
  6. Step 6: Final answer
    x = 9,694,795.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.