Home / 8,085,369.60-12,128,054.40-4,896,723.60

Finding the Fourth Proportional to 8,085,369.60, 12,128,054.40 and 4,896,723.60

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Solution

The fourth proportional to 8,085,369.60, 12,128,054.40 and 4,896,723.60 is: 7,345,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,369.60 : 12,128,054.40 = 4,896,723.60 : x
  2. Step 2: Convert to fraction form
    8,085,369.60/12,128,054.40 = 4,896,723.60/x
  3. Step 3: Cross multiply
    8,085,369.60x = 12,128,054.40 × 4,896,723.60
  4. Step 4: Simplify right side
    8,085,369.60x = 59,387,730,202,563.84
  5. Step 5: Solve for x
    x = 59,387,730,202,563.84/8,085,369.60
  6. Step 6: Final answer
    x = 7,345,085.40

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Double scale
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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.