Home / 12,104,420.70-18,156,631.05-4,530,402.30

Finding the Fourth Proportional to 12,104,420.70, 18,156,631.05 and 4,530,402.30

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Solution

The fourth proportional to 12,104,420.70, 18,156,631.05 and 4,530,402.30 is: 6,795,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,420.70 : 18,156,631.05 = 4,530,402.30 : x
  2. Step 2: Convert to fraction form
    12,104,420.70/18,156,631.05 = 4,530,402.30/x
  3. Step 3: Cross multiply
    12,104,420.70x = 18,156,631.05 × 4,530,402.30
  4. Step 4: Simplify right side
    12,104,420.70x = 82,256,843,069,171.42
  5. Step 5: Solve for x
    x = 82,256,843,069,171.42/12,104,420.70
  6. Step 6: Final answer
    x = 6,795,603.45

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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.