Home / 12,097,457.40-18,146,186.10-11,814,022.20

Finding the Fourth Proportional to 12,097,457.40, 18,146,186.10 and 11,814,022.20

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Solution

The fourth proportional to 12,097,457.40, 18,146,186.10 and 11,814,022.20 is: 17,721,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,457.40 : 18,146,186.10 = 11,814,022.20 : x
  2. Step 2: Convert to fraction form
    12,097,457.40/18,146,186.10 = 11,814,022.20/x
  3. Step 3: Cross multiply
    12,097,457.40x = 18,146,186.10 × 11,814,022.20
  4. Step 4: Simplify right side
    12,097,457.40x = 214,379,445,430,731.44
  5. Step 5: Solve for x
    x = 214,379,445,430,731.44/12,097,457.40
  6. Step 6: Final answer
    x = 17,721,033.30

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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.