Home / 28,009,242.49-38,652,923.27-15,620,119.18

Finding the Fourth Proportional to 28,009,242.49, 38,652,923.27 and 15,620,119.18

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Solution

The fourth proportional to 28,009,242.49, 38,652,923.27 and 15,620,119.18 is: 21,555,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009,242.49 : 38,652,923.27 = 15,620,119.18 : x
  2. Step 2: Convert to fraction form
    28,009,242.49/38,652,923.27 = 15,620,119.18/x
  3. Step 3: Cross multiply
    28,009,242.49x = 38,652,923.27 × 15,620,119.18
  4. Step 4: Simplify right side
    28,009,242.49x = 603,763,268,132,795.38
  5. Step 5: Solve for x
    x = 603,763,268,132,795.38/28,009,242.49
  6. Step 6: Final answer
    x = 21,555,858.51

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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.