Home / 13,991,143.08-20,970,794.88-8,514,158.19

Finding the Fourth Proportional to 13,991,143.08, 20,970,794.88 and 8,514,158.19

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Solution

The fourth proportional to 13,991,143.08, 20,970,794.88 and 8,514,158.19 is: 12,761,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,143.08 : 20,970,794.88 = 8,514,158.19 : x
  2. Step 2: Convert to fraction form
    13,991,143.08/20,970,794.88 = 8,514,158.19/x
  3. Step 3: Cross multiply
    13,991,143.08x = 20,970,794.88 × 8,514,158.19
  4. Step 4: Simplify right side
    13,991,143.08x = 178,548,664,978,362.06
  5. Step 5: Solve for x
    x = 178,548,664,978,362.06/13,991,143.08
  6. Step 6: Final answer
    x = 12,761,549.50

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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.