Home / 14,095,998.60-21,143,997.90-8,427,294.60

Finding the Fourth Proportional to 14,095,998.60, 21,143,997.90 and 8,427,294.60

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Solution

The fourth proportional to 14,095,998.60, 21,143,997.90 and 8,427,294.60 is: 12,640,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095,998.60 : 21,143,997.90 = 8,427,294.60 : x
  2. Step 2: Convert to fraction form
    14,095,998.60/21,143,997.90 = 8,427,294.60/x
  3. Step 3: Cross multiply
    14,095,998.60x = 21,143,997.90 × 8,427,294.60
  4. Step 4: Simplify right side
    14,095,998.60x = 178,186,699,325,081.31
  5. Step 5: Solve for x
    x = 178,186,699,325,081.31/14,095,998.60
  6. Step 6: Final answer
    x = 12,640,941.90

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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.