Home / 40,089,320.07-55,323,261.73-21,754,605.57

Finding the Fourth Proportional to 40,089,320.07, 55,323,261.73 and 21,754,605.57

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Solution

The fourth proportional to 40,089,320.07, 55,323,261.73 and 21,754,605.57 is: 30,021,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089,320.07 : 55,323,261.73 = 21,754,605.57 : x
  2. Step 2: Convert to fraction form
    40,089,320.07/55,323,261.73 = 21,754,605.57/x
  3. Step 3: Cross multiply
    40,089,320.07x = 55,323,261.73 × 21,754,605.57
  4. Step 4: Simplify right side
    40,089,320.07x = 1,203,535,737,782,025.75
  5. Step 5: Solve for x
    x = 1,203,535,737,782,025.75/40,089,320.07
  6. Step 6: Final answer
    x = 30,021,355.70

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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.