Home / 47,742,887.72-71,627,494.08-19,009,201.52

Finding the Fourth Proportional to 47,742,887.72, 71,627,494.08 and 19,009,201.52

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Solution

The fourth proportional to 47,742,887.72, 71,627,494.08 and 19,009,201.52 is: 28,519,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,742,887.72 : 71,627,494.08 = 19,009,201.52 : x
  2. Step 2: Convert to fraction form
    47,742,887.72/71,627,494.08 = 19,009,201.52/x
  3. Step 3: Cross multiply
    47,742,887.72x = 71,627,494.08 × 19,009,201.52
  4. Step 4: Simplify right side
    47,742,887.72x = 1,361,581,469,339,327
  5. Step 5: Solve for x
    x = 1,361,581,469,339,327/47,742,887.72
  6. Step 6: Final answer
    x = 28,519,043.03

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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.