Home / 20,074,628.40-30,095,015.22-8,706,514.92

Finding the Fourth Proportional to 20,074,628.40, 30,095,015.22 and 8,706,514.92

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Solution

The fourth proportional to 20,074,628.40, 30,095,015.22 and 8,706,514.92 is: 13,052,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074,628.40 : 30,095,015.22 = 8,706,514.92 : x
  2. Step 2: Convert to fraction form
    20,074,628.40/30,095,015.22 = 8,706,514.92/x
  3. Step 3: Cross multiply
    20,074,628.40x = 30,095,015.22 × 8,706,514.92
  4. Step 4: Simplify right side
    20,074,628.40x = 262,022,699,030,557.06
  5. Step 5: Solve for x
    x = 262,022,699,030,557.06/20,074,628.40
  6. Step 6: Final answer
    x = 13,052,430.85

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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.