Home / 20,590,410.15-30,853,683.91-11,933,037.71

Finding the Fourth Proportional to 20,590,410.15, 30,853,683.91 and 11,933,037.71

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Solution

The fourth proportional to 20,590,410.15, 30,853,683.91 and 11,933,037.71 is: 17,881,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590,410.15 : 30,853,683.91 = 11,933,037.71 : x
  2. Step 2: Convert to fraction form
    20,590,410.15/30,853,683.91 = 11,933,037.71/x
  3. Step 3: Cross multiply
    20,590,410.15x = 30,853,683.91 × 11,933,037.71
  4. Step 4: Simplify right side
    20,590,410.15x = 368,178,173,637,751.88
  5. Step 5: Solve for x
    x = 368,178,173,637,751.88/20,590,410.15
  6. Step 6: Final answer
    x = 17,881,050.98

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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.