Home / 9,864,891.20-14,797,336.80-3,133,985.60

Finding the Fourth Proportional to 9,864,891.20, 14,797,336.80 and 3,133,985.60

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Solution

The fourth proportional to 9,864,891.20, 14,797,336.80 and 3,133,985.60 is: 4,700,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864,891.20 : 14,797,336.80 = 3,133,985.60 : x
  2. Step 2: Convert to fraction form
    9,864,891.20/14,797,336.80 = 3,133,985.60/x
  3. Step 3: Cross multiply
    9,864,891.20x = 14,797,336.80 × 3,133,985.60
  4. Step 4: Simplify right side
    9,864,891.20x = 46,374,640,449,550.09
  5. Step 5: Solve for x
    x = 46,374,640,449,550.09/9,864,891.20
  6. Step 6: Final answer
    x = 4,700,978.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.