Home / 39,520,855.25-54,537,608.89-21,880,544.01

Finding the Fourth Proportional to 39,520,855.25, 54,537,608.89 and 21,880,544.01

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Solution

The fourth proportional to 39,520,855.25, 54,537,608.89 and 21,880,544.01 is: 30,194,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520,855.25 : 54,537,608.89 = 21,880,544.01 : x
  2. Step 2: Convert to fraction form
    39,520,855.25/54,537,608.89 = 21,880,544.01/x
  3. Step 3: Cross multiply
    39,520,855.25x = 54,537,608.89 × 21,880,544.01
  4. Step 4: Simplify right side
    39,520,855.25x = 1,193,312,551,517,812.25
  5. Step 5: Solve for x
    x = 1,193,312,551,517,812.25/39,520,855.25
  6. Step 6: Final answer
    x = 30,194,502.22

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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.