Home / 20,247,122.16-27,941,030.04-11,079,765.36

Finding the Fourth Proportional to 20,247,122.16, 27,941,030.04 and 11,079,765.36

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Solution

The fourth proportional to 20,247,122.16, 27,941,030.04 and 11,079,765.36 is: 15,290,077.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247,122.16 : 27,941,030.04 = 11,079,765.36 : x
  2. Step 2: Convert to fraction form
    20,247,122.16/27,941,030.04 = 11,079,765.36/x
  3. Step 3: Cross multiply
    20,247,122.16x = 27,941,030.04 × 11,079,765.36
  4. Step 4: Simplify right side
    20,247,122.16x = 309,580,056,759,911.38
  5. Step 5: Solve for x
    x = 309,580,056,759,911.38/20,247,122.16
  6. Step 6: Final answer
    x = 15,290,077.00

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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.