Home / 40,089,276.95-55,323,202.19-21,754,562.45

Finding the Fourth Proportional to 40,089,276.95, 55,323,202.19 and 21,754,562.45

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Solution

The fourth proportional to 40,089,276.95, 55,323,202.19 and 21,754,562.45 is: 30,021,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089,276.95 : 55,323,202.19 = 21,754,562.45 : x
  2. Step 2: Convert to fraction form
    40,089,276.95/55,323,202.19 = 21,754,562.45/x
  3. Step 3: Cross multiply
    40,089,276.95x = 55,323,202.19 × 21,754,562.45
  4. Step 4: Simplify right side
    40,089,276.95x = 1,203,532,056,590,943
  5. Step 5: Solve for x
    x = 1,203,532,056,590,943/40,089,276.95
  6. Step 6: Final answer
    x = 30,021,296.17

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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.