Home / 28,082,110.20-42,123,165.30-12,965,566.20

Finding the Fourth Proportional to 28,082,110.20, 42,123,165.30 and 12,965,566.20

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Solution

The fourth proportional to 28,082,110.20, 42,123,165.30 and 12,965,566.20 is: 19,448,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,110.20 : 42,123,165.30 = 12,965,566.20 : x
  2. Step 2: Convert to fraction form
    28,082,110.20/42,123,165.30 = 12,965,566.20/x
  3. Step 3: Cross multiply
    28,082,110.20x = 42,123,165.30 × 12,965,566.20
  4. Step 4: Simplify right side
    28,082,110.20x = 546,150,688,250,692.81
  5. Step 5: Solve for x
    x = 546,150,688,250,692.81/28,082,110.20
  6. Step 6: Final answer
    x = 19,448,349.30

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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.