Home / 12,638,287.85-18,958,219.09-5,064,269.45

Finding the Fourth Proportional to 12,638,287.85, 18,958,219.09 and 5,064,269.45

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Solution

The fourth proportional to 12,638,287.85, 18,958,219.09 and 5,064,269.45 is: 7,596,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,638,287.85 : 18,958,219.09 = 5,064,269.45 : x
  2. Step 2: Convert to fraction form
    12,638,287.85/18,958,219.09 = 5,064,269.45/x
  3. Step 3: Cross multiply
    12,638,287.85x = 18,958,219.09 × 5,064,269.45
  4. Step 4: Simplify right side
    12,638,287.85x = 96,009,529,656,442.03
  5. Step 5: Solve for x
    x = 96,009,529,656,442.03/12,638,287.85
  6. Step 6: Final answer
    x = 7,596,719.65

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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.