Home / 55,048,708.80-82,570,438.80-18,653,529.60

Finding the Fourth Proportional to 55,048,708.80, 82,570,438.80 and 18,653,529.60

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Solution

The fourth proportional to 55,048,708.80, 82,570,438.80 and 18,653,529.60 is: 27,979,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,048,708.80 : 82,570,438.80 = 18,653,529.60 : x
  2. Step 2: Convert to fraction form
    55,048,708.80/82,570,438.80 = 18,653,529.60/x
  3. Step 3: Cross multiply
    55,048,708.80x = 82,570,438.80 × 18,653,529.60
  4. Step 4: Simplify right side
    55,048,708.80x = 1,540,230,124,240,788.50
  5. Step 5: Solve for x
    x = 1,540,230,124,240,788.50/55,048,708.80
  6. Step 6: Final answer
    x = 27,979,405.11

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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.