Home / 39,922,709.40-55,093,669.20-22,041,505.80

Finding the Fourth Proportional to 39,922,709.40, 55,093,669.20 and 22,041,505.80

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Solution

The fourth proportional to 39,922,709.40, 55,093,669.20 and 22,041,505.80 is: 30,417,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922,709.40 : 55,093,669.20 = 22,041,505.80 : x
  2. Step 2: Convert to fraction form
    39,922,709.40/55,093,669.20 = 22,041,505.80/x
  3. Step 3: Cross multiply
    39,922,709.40x = 55,093,669.20 × 22,041,505.80
  4. Step 4: Simplify right side
    39,922,709.40x = 1,214,347,429,215,081.50
  5. Step 5: Solve for x
    x = 1,214,347,429,215,081.50/39,922,709.40
  6. Step 6: Final answer
    x = 30,417,460.32

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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.