Home / 20,458,864.04-28,233,093.30-11,291,506.52

Finding the Fourth Proportional to 20,458,864.04, 28,233,093.30 and 11,291,506.52

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Solution

The fourth proportional to 20,458,864.04, 28,233,093.30 and 11,291,506.52 is: 15,582,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458,864.04 : 28,233,093.30 = 11,291,506.52 : x
  2. Step 2: Convert to fraction form
    20,458,864.04/28,233,093.30 = 11,291,506.52/x
  3. Step 3: Cross multiply
    20,458,864.04x = 28,233,093.30 × 11,291,506.52
  4. Step 4: Simplify right side
    20,458,864.04x = 318,794,157,076,718.31
  5. Step 5: Solve for x
    x = 318,794,157,076,718.31/20,458,864.04
  6. Step 6: Final answer
    x = 15,582,202.24

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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.