Home / 20,527,780.01-28,325,289.15-12,467,698.81

Finding the Fourth Proportional to 20,527,780.01, 28,325,289.15 and 12,467,698.81

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Solution

The fourth proportional to 20,527,780.01, 28,325,289.15 and 12,467,698.81 is: 17,203,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,780.01 : 28,325,289.15 = 12,467,698.81 : x
  2. Step 2: Convert to fraction form
    20,527,780.01/28,325,289.15 = 12,467,698.81/x
  3. Step 3: Cross multiply
    20,527,780.01x = 28,325,289.15 × 12,467,698.81
  4. Step 4: Simplify right side
    20,527,780.01x = 353,151,173,792,606.81
  5. Step 5: Solve for x
    x = 353,151,173,792,606.81/20,527,780.01
  6. Step 6: Final answer
    x = 17,203,573.58

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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.