Home / 8,076,399.80-12,114,599.70-6,641,509.10

Finding the Fourth Proportional to 8,076,399.80, 12,114,599.70 and 6,641,509.10

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Solution

The fourth proportional to 8,076,399.80, 12,114,599.70 and 6,641,509.10 is: 9,962,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,399.80 : 12,114,599.70 = 6,641,509.10 : x
  2. Step 2: Convert to fraction form
    8,076,399.80/12,114,599.70 = 6,641,509.10/x
  3. Step 3: Cross multiply
    8,076,399.80x = 12,114,599.70 × 6,641,509.10
  4. Step 4: Simplify right side
    8,076,399.80x = 80,459,224,150,407.27
  5. Step 5: Solve for x
    x = 80,459,224,150,407.27/8,076,399.80
  6. Step 6: Final answer
    x = 9,962,263.65

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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.