Home / 12,905,332.56-17,809,585.46-7,025,135.84

Finding the Fourth Proportional to 12,905,332.56, 17,809,585.46 and 7,025,135.84

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Solution

The fourth proportional to 12,905,332.56, 17,809,585.46 and 7,025,135.84 is: 9,694,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,332.56 : 17,809,585.46 = 7,025,135.84 : x
  2. Step 2: Convert to fraction form
    12,905,332.56/17,809,585.46 = 7,025,135.84/x
  3. Step 3: Cross multiply
    12,905,332.56x = 17,809,585.46 × 7,025,135.84
  4. Step 4: Simplify right side
    12,905,332.56x = 125,114,757,110,588.89
  5. Step 5: Solve for x
    x = 125,114,757,110,588.89/12,905,332.56
  6. Step 6: Final answer
    x = 9,694,810.77

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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.