Home / 10,647,312.30-15,970,968.45-6,395,784.30

Finding the Fourth Proportional to 10,647,312.30, 15,970,968.45 and 6,395,784.30

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Solution

The fourth proportional to 10,647,312.30, 15,970,968.45 and 6,395,784.30 is: 9,593,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,312.30 : 15,970,968.45 = 6,395,784.30 : x
  2. Step 2: Convert to fraction form
    10,647,312.30/15,970,968.45 = 6,395,784.30/x
  3. Step 3: Cross multiply
    10,647,312.30x = 15,970,968.45 × 6,395,784.30
  4. Step 4: Simplify right side
    10,647,312.30x = 102,146,869,268,305.33
  5. Step 5: Solve for x
    x = 102,146,869,268,305.33/10,647,312.30
  6. Step 6: Final answer
    x = 9,593,676.45

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Double scale
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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.