Home / 8,076,620.70-12,114,931.05-5,809,139.10

Finding the Fourth Proportional to 8,076,620.70, 12,114,931.05 and 5,809,139.10

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Solution

The fourth proportional to 8,076,620.70, 12,114,931.05 and 5,809,139.10 is: 8,713,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,620.70 : 12,114,931.05 = 5,809,139.10 : x
  2. Step 2: Convert to fraction form
    8,076,620.70/12,114,931.05 = 5,809,139.10/x
  3. Step 3: Cross multiply
    8,076,620.70x = 12,114,931.05 × 5,809,139.10
  4. Step 4: Simplify right side
    8,076,620.70x = 70,377,319,656,359.06
  5. Step 5: Solve for x
    x = 70,377,319,656,359.06/8,076,620.70
  6. Step 6: Final answer
    x = 8,713,708.65

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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.