Home / 39,548,735.05-54,577,690.90-21,907,907.81

Finding the Fourth Proportional to 39,548,735.05, 54,577,690.90 and 21,907,907.81

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Solution

The fourth proportional to 39,548,735.05, 54,577,690.90 and 21,907,907.81 is: 30,233,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,548,735.05 : 54,577,690.90 = 21,907,907.81 : x
  2. Step 2: Convert to fraction form
    39,548,735.05/54,577,690.90 = 21,907,907.81/x
  3. Step 3: Cross multiply
    39,548,735.05x = 54,577,690.90 × 21,907,907.81
  4. Step 4: Simplify right side
    39,548,735.05x = 1,195,683,020,637,721.25
  5. Step 5: Solve for x
    x = 1,195,683,020,637,721.25/39,548,735.05
  6. Step 6: Final answer
    x = 30,233,154.59

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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.