Home / 11,123,670.60-16,685,505.90-8,076,742.20

Finding the Fourth Proportional to 11,123,670.60, 16,685,505.90 and 8,076,742.20

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Solution

The fourth proportional to 11,123,670.60, 16,685,505.90 and 8,076,742.20 is: 12,115,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123,670.60 : 16,685,505.90 = 8,076,742.20 : x
  2. Step 2: Convert to fraction form
    11,123,670.60/16,685,505.90 = 8,076,742.20/x
  3. Step 3: Cross multiply
    11,123,670.60x = 16,685,505.90 × 8,076,742.20
  4. Step 4: Simplify right side
    11,123,670.60x = 134,764,529,630,878.98
  5. Step 5: Solve for x
    x = 134,764,529,630,878.98/11,123,670.60
  6. Step 6: Final answer
    x = 12,115,113.30

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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.