Home / 20,228,830.08-27,913,492.80-11,969,145.60

Finding the Fourth Proportional to 20,228,830.08, 27,913,492.80 and 11,969,145.60

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Solution

The fourth proportional to 20,228,830.08, 27,913,492.80 and 11,969,145.60 is: 16,516,064.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,830.08 : 27,913,492.80 = 11,969,145.60 : x
  2. Step 2: Convert to fraction form
    20,228,830.08/27,913,492.80 = 11,969,145.60/x
  3. Step 3: Cross multiply
    20,228,830.08x = 27,913,492.80 × 11,969,145.60
  4. Step 4: Simplify right side
    20,228,830.08x = 334,100,659,527,751.69
  5. Step 5: Solve for x
    x = 334,100,659,527,751.69/20,228,830.08
  6. Step 6: Final answer
    x = 16,516,064.36

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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.