Home / 36,119,509.07-49,830,733.04-20,641,289.94

Finding the Fourth Proportional to 36,119,509.07, 49,830,733.04 and 20,641,289.94

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Solution

The fourth proportional to 36,119,509.07, 49,830,733.04 and 20,641,289.94 is: 28,476,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,119,509.07 : 49,830,733.04 = 20,641,289.94 : x
  2. Step 2: Convert to fraction form
    36,119,509.07/49,830,733.04 = 20,641,289.94/x
  3. Step 3: Cross multiply
    36,119,509.07x = 49,830,733.04 × 20,641,289.94
  4. Step 4: Simplify right side
    36,119,509.07x = 1,028,570,608,498,171.12
  5. Step 5: Solve for x
    x = 1,028,570,608,498,171.12/36,119,509.07
  6. Step 6: Final answer
    x = 28,476,871.23

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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.