Home / 12,137,895.54-18,209,467.71-6,457,294.26

Finding the Fourth Proportional to 12,137,895.54, 18,209,467.71 and 6,457,294.26

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Solution

The fourth proportional to 12,137,895.54, 18,209,467.71 and 6,457,294.26 is: 9,687,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137,895.54 : 18,209,467.71 = 6,457,294.26 : x
  2. Step 2: Convert to fraction form
    12,137,895.54/18,209,467.71 = 6,457,294.26/x
  3. Step 3: Cross multiply
    12,137,895.54x = 18,209,467.71 × 6,457,294.26
  4. Step 4: Simplify right side
    12,137,895.54x = 117,583,891,321,438.34
  5. Step 5: Solve for x
    x = 117,583,891,321,438.34/12,137,895.54
  6. Step 6: Final answer
    x = 9,687,337.56

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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.