Home / 6,600,985.60-9,111,260.04-3,987,074.32

Finding the Fourth Proportional to 6,600,985.60, 9,111,260.04 and 3,987,074.32

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Solution

The fourth proportional to 6,600,985.60, 9,111,260.04 and 3,987,074.32 is: 5,503,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600,985.60 : 9,111,260.04 = 3,987,074.32 : x
  2. Step 2: Convert to fraction form
    6,600,985.60/9,111,260.04 = 3,987,074.32/x
  3. Step 3: Cross multiply
    6,600,985.60x = 9,111,260.04 × 3,987,074.32
  4. Step 4: Simplify right side
    6,600,985.60x = 36,327,270,928,326.16
  5. Step 5: Solve for x
    x = 36,327,270,928,326.16/6,600,985.60
  6. Step 6: Final answer
    x = 5,503,310.13

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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.