Home / 28,726,230.60-43,089,345.90-21,167,958.60

Finding the Fourth Proportional to 28,726,230.60, 43,089,345.90 and 21,167,958.60

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Solution

The fourth proportional to 28,726,230.60, 43,089,345.90 and 21,167,958.60 is: 31,751,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726,230.60 : 43,089,345.90 = 21,167,958.60 : x
  2. Step 2: Convert to fraction form
    28,726,230.60/43,089,345.90 = 21,167,958.60/x
  3. Step 3: Cross multiply
    28,726,230.60x = 43,089,345.90 × 21,167,958.60
  4. Step 4: Simplify right side
    28,726,230.60x = 912,113,490,112,279.75
  5. Step 5: Solve for x
    x = 912,113,490,112,279.75/28,726,230.60
  6. Step 6: Final answer
    x = 31,751,937.90

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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.