Home / 22,017,032.70-33,025,549.08-7,638,601.20

Finding the Fourth Proportional to 22,017,032.70, 33,025,549.08 and 7,638,601.20

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Solution

The fourth proportional to 22,017,032.70, 33,025,549.08 and 7,638,601.20 is: 11,457,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017,032.70 : 33,025,549.08 = 7,638,601.20 : x
  2. Step 2: Convert to fraction form
    22,017,032.70/33,025,549.08 = 7,638,601.20/x
  3. Step 3: Cross multiply
    22,017,032.70x = 33,025,549.08 × 7,638,601.20
  4. Step 4: Simplify right side
    22,017,032.70x = 252,268,998,833,146.88
  5. Step 5: Solve for x
    x = 252,268,998,833,146.88/22,017,032.70
  6. Step 6: Final answer
    x = 11,457,901.81

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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.