Home / 20,226,907.37-27,920,722.68-13,258,033.90

Finding the Fourth Proportional to 20,226,907.37, 27,920,722.68 and 13,258,033.90

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Solution

The fourth proportional to 20,226,907.37, 27,920,722.68 and 13,258,033.90 is: 18,301,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,907.37 : 27,920,722.68 = 13,258,033.90 : x
  2. Step 2: Convert to fraction form
    20,226,907.37/27,920,722.68 = 13,258,033.90/x
  3. Step 3: Cross multiply
    20,226,907.37x = 27,920,722.68 × 13,258,033.90
  4. Step 4: Simplify right side
    20,226,907.37x = 370,173,887,734,137.06
  5. Step 5: Solve for x
    x = 370,173,887,734,137.06/20,226,907.37
  6. Step 6: Final answer
    x = 18,301,062.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.