Home / 14,076,010.80-21,114,016.20-8,667,122.40

Finding the Fourth Proportional to 14,076,010.80, 21,114,016.20 and 8,667,122.40

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Solution

The fourth proportional to 14,076,010.80, 21,114,016.20 and 8,667,122.40 is: 13,000,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076,010.80 : 21,114,016.20 = 8,667,122.40 : x
  2. Step 2: Convert to fraction form
    14,076,010.80/21,114,016.20 = 8,667,122.40/x
  3. Step 3: Cross multiply
    14,076,010.80x = 21,114,016.20 × 8,667,122.40
  4. Step 4: Simplify right side
    14,076,010.80x = 182,997,762,760,982.88
  5. Step 5: Solve for x
    x = 182,997,762,760,982.88/14,076,010.80
  6. Step 6: Final answer
    x = 13,000,683.60

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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.