Home / 38,753,989.60-58,089,512.40-13,171,295.20

Finding the Fourth Proportional to 38,753,989.60, 58,089,512.40 and 13,171,295.20

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Solution

The fourth proportional to 38,753,989.60, 58,089,512.40 and 13,171,295.20 is: 19,742,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,753,989.60 : 58,089,512.40 = 13,171,295.20 : x
  2. Step 2: Convert to fraction form
    38,753,989.60/58,089,512.40 = 13,171,295.20/x
  3. Step 3: Cross multiply
    38,753,989.60x = 58,089,512.40 × 13,171,295.20
  4. Step 4: Simplify right side
    38,753,989.60x = 765,114,115,844,460.38
  5. Step 5: Solve for x
    x = 765,114,115,844,460.38/38,753,989.60
  6. Step 6: Final answer
    x = 19,742,847.74

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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.