Home / 20,153,539.96-30,227,193.78-7,371,055.48

Finding the Fourth Proportional to 20,153,539.96, 30,227,193.78 and 7,371,055.48

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Solution

The fourth proportional to 20,153,539.96, 30,227,193.78 and 7,371,055.48 is: 11,055,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,539.96 : 30,227,193.78 = 7,371,055.48 : x
  2. Step 2: Convert to fraction form
    20,153,539.96/30,227,193.78 = 7,371,055.48/x
  3. Step 3: Cross multiply
    20,153,539.96x = 30,227,193.78 × 7,371,055.48
  4. Step 4: Simplify right side
    20,153,539.96x = 222,806,322,357,090.94
  5. Step 5: Solve for x
    x = 222,806,322,357,090.94/20,153,539.96
  6. Step 6: Final answer
    x = 11,055,443.50

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1.5x scale

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.