Home / 8,085,381.60-12,128,072.40-4,896,735.60

Finding the Fourth Proportional to 8,085,381.60, 12,128,072.40 and 4,896,735.60

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Solution

The fourth proportional to 8,085,381.60, 12,128,072.40 and 4,896,735.60 is: 7,345,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,381.60 : 12,128,072.40 = 4,896,735.60 : x
  2. Step 2: Convert to fraction form
    8,085,381.60/12,128,072.40 = 4,896,735.60/x
  3. Step 3: Cross multiply
    8,085,381.60x = 12,128,072.40 × 4,896,735.60
  4. Step 4: Simplify right side
    8,085,381.60x = 59,387,963,880,457.44
  5. Step 5: Solve for x
    x = 59,387,963,880,457.44/8,085,381.60
  6. Step 6: Final answer
    x = 7,345,103.40

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Similar ratio
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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.