Home / 40,091,010.31-55,325,594.22-21,756,295.81

Finding the Fourth Proportional to 40,091,010.31, 55,325,594.22 and 21,756,295.81

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Solution

The fourth proportional to 40,091,010.31, 55,325,594.22 and 21,756,295.81 is: 30,023,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091,010.31 : 55,325,594.22 = 21,756,295.81 : x
  2. Step 2: Convert to fraction form
    40,091,010.31/55,325,594.22 = 21,756,295.81/x
  3. Step 3: Cross multiply
    40,091,010.31x = 55,325,594.22 × 21,756,295.81
  4. Step 4: Simplify right side
    40,091,010.31x = 1,203,679,993,805,652.50
  5. Step 5: Solve for x
    x = 1,203,679,993,805,652.50/40,091,010.31
  6. Step 6: Final answer
    x = 30,023,688.21

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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.