Home / 39,919,801.44-55,089,365.04-21,585,082.08

Finding the Fourth Proportional to 39,919,801.44, 55,089,365.04 and 21,585,082.08

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Solution

The fourth proportional to 39,919,801.44, 55,089,365.04 and 21,585,082.08 is: 29,787,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919,801.44 : 55,089,365.04 = 21,585,082.08 : x
  2. Step 2: Convert to fraction form
    39,919,801.44/55,089,365.04 = 21,585,082.08/x
  3. Step 3: Cross multiply
    39,919,801.44x = 55,089,365.04 × 21,585,082.08
  4. Step 4: Simplify right side
    39,919,801.44x = 1,189,108,466,123,482.25
  5. Step 5: Solve for x
    x = 1,189,108,466,123,482.25/39,919,801.44
  6. Step 6: Final answer
    x = 29,787,434.39

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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.