Home / 15,487,860.04-21,373,765.38-8,518,832.32

Finding the Fourth Proportional to 15,487,860.04, 21,373,765.38 and 8,518,832.32

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Solution

The fourth proportional to 15,487,860.04, 21,373,765.38 and 8,518,832.32 is: 11,756,273.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,860.04 : 21,373,765.38 = 8,518,832.32 : x
  2. Step 2: Convert to fraction form
    15,487,860.04/21,373,765.38 = 8,518,832.32/x
  3. Step 3: Cross multiply
    15,487,860.04x = 21,373,765.38 × 8,518,832.32
  4. Step 4: Simplify right side
    15,487,860.04x = 182,079,523,319,241.09
  5. Step 5: Solve for x
    x = 182,079,523,319,241.09/15,487,860.04
  6. Step 6: Final answer
    x = 11,756,273.81

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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.