Home / 22,017,011.20-33,025,516.80-7,638,579.70

Finding the Fourth Proportional to 22,017,011.20, 33,025,516.80 and 7,638,579.70

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Solution

The fourth proportional to 22,017,011.20, 33,025,516.80 and 7,638,579.70 is: 11,457,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017,011.20 : 33,025,516.80 = 7,638,579.70 : x
  2. Step 2: Convert to fraction form
    22,017,011.20/33,025,516.80 = 7,638,579.70/x
  3. Step 3: Cross multiply
    22,017,011.20x = 33,025,516.80 × 7,638,579.70
  4. Step 4: Simplify right side
    22,017,011.20x = 252,268,042,210,488.97
  5. Step 5: Solve for x
    x = 252,268,042,210,488.97/22,017,011.20
  6. Step 6: Final answer
    x = 11,457,869.55

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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.