Home / 11,178,672.60-16,768,008.90-9,940,042.20

Finding the Fourth Proportional to 11,178,672.60, 16,768,008.90 and 9,940,042.20

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Solution

The fourth proportional to 11,178,672.60, 16,768,008.90 and 9,940,042.20 is: 14,910,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,672.60 : 16,768,008.90 = 9,940,042.20 : x
  2. Step 2: Convert to fraction form
    11,178,672.60/16,768,008.90 = 9,940,042.20/x
  3. Step 3: Cross multiply
    11,178,672.60x = 16,768,008.90 × 9,940,042.20
  4. Step 4: Simplify right side
    11,178,672.60x = 166,674,716,075,975.56
  5. Step 5: Solve for x
    x = 166,674,716,075,975.56/11,178,672.60
  6. Step 6: Final answer
    x = 14,910,063.30

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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.