Home / 26,991,807.60-40,442,919.72-18,996,835.44

Finding the Fourth Proportional to 26,991,807.60, 40,442,919.72 and 18,996,835.44

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Solution

The fourth proportional to 26,991,807.60, 40,442,919.72 and 18,996,835.44 is: 28,463,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991,807.60 : 40,442,919.72 = 18,996,835.44 : x
  2. Step 2: Convert to fraction form
    26,991,807.60/40,442,919.72 = 18,996,835.44/x
  3. Step 3: Cross multiply
    26,991,807.60x = 40,442,919.72 × 18,996,835.44
  4. Step 4: Simplify right side
    26,991,807.60x = 768,287,490,633,970.88
  5. Step 5: Solve for x
    x = 768,287,490,633,970.88/26,991,807.60
  6. Step 6: Final answer
    x = 28,463,728.77

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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.