Home / 12,905,323.11-17,809,572.38-7,025,126.35

Finding the Fourth Proportional to 12,905,323.11, 17,809,572.38 and 7,025,126.35

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Solution

The fourth proportional to 12,905,323.11, 17,809,572.38 and 7,025,126.35 is: 9,694,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,323.11 : 17,809,572.38 = 7,025,126.35 : x
  2. Step 2: Convert to fraction form
    12,905,323.11/17,809,572.38 = 7,025,126.35/x
  3. Step 3: Cross multiply
    12,905,323.11x = 17,809,572.38 × 7,025,126.35
  4. Step 4: Simplify right side
    12,905,323.11x = 125,114,496,208,970.20
  5. Step 5: Solve for x
    x = 125,114,496,208,970.20/12,905,323.11
  6. Step 6: Final answer
    x = 9,694,797.65

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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.