Home / 38,019,053.80-56,986,590.30-20,991,946.60

Finding the Fourth Proportional to 38,019,053.80, 56,986,590.30 and 20,991,946.60

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Solution

The fourth proportional to 38,019,053.80, 56,986,590.30 and 20,991,946.60 is: 31,464,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019,053.80 : 56,986,590.30 = 20,991,946.60 : x
  2. Step 2: Convert to fraction form
    38,019,053.80/56,986,590.30 = 20,991,946.60/x
  3. Step 3: Cross multiply
    38,019,053.80x = 56,986,590.30 × 20,991,946.60
  4. Step 4: Simplify right side
    38,019,053.80x = 1,196,259,460,493,678
  5. Step 5: Solve for x
    x = 1,196,259,460,493,678/38,019,053.80
  6. Step 6: Final answer
    x = 31,464,735.20

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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.