Home / 8,216,719.60-12,325,079.40-8,076,751.60

Finding the Fourth Proportional to 8,216,719.60, 12,325,079.40 and 8,076,751.60

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Solution

The fourth proportional to 8,216,719.60, 12,325,079.40 and 8,076,751.60 is: 12,115,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,719.60 : 12,325,079.40 = 8,076,751.60 : x
  2. Step 2: Convert to fraction form
    8,216,719.60/12,325,079.40 = 8,076,751.60/x
  3. Step 3: Cross multiply
    8,216,719.60x = 12,325,079.40 × 8,076,751.60
  4. Step 4: Simplify right side
    8,216,719.60x = 99,546,604,764,077.03
  5. Step 5: Solve for x
    x = 99,546,604,764,077.03/8,216,719.60
  6. Step 6: Final answer
    x = 12,115,127.40

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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.