Home / 38,249,048.88-52,782,147.72-20,845,019.52

Finding the Fourth Proportional to 38,249,048.88, 52,782,147.72 and 20,845,019.52

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Solution

The fourth proportional to 38,249,048.88, 52,782,147.72 and 20,845,019.52 is: 28,765,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,249,048.88 : 52,782,147.72 = 20,845,019.52 : x
  2. Step 2: Convert to fraction form
    38,249,048.88/52,782,147.72 = 20,845,019.52/x
  3. Step 3: Cross multiply
    38,249,048.88x = 52,782,147.72 × 20,845,019.52
  4. Step 4: Simplify right side
    38,249,048.88x = 1,100,244,899,530,923.50
  5. Step 5: Solve for x
    x = 1,100,244,899,530,923.50/38,249,048.88
  6. Step 6: Final answer
    x = 28,765,287.81

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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.