Home / 20,671,720.80-31,014,190.80-6,297,525.60

Finding the Fourth Proportional to 20,671,720.80, 31,014,190.80 and 6,297,525.60

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Solution

The fourth proportional to 20,671,720.80, 31,014,190.80 and 6,297,525.60 is: 9,448,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,720.80 : 31,014,190.80 = 6,297,525.60 : x
  2. Step 2: Convert to fraction form
    20,671,720.80/31,014,190.80 = 6,297,525.60/x
  3. Step 3: Cross multiply
    20,671,720.80x = 31,014,190.80 × 6,297,525.60
  4. Step 4: Simplify right side
    20,671,720.80x = 195,312,660,526,284.47
  5. Step 5: Solve for x
    x = 195,312,660,526,284.47/20,671,720.80
  6. Step 6: Final answer
    x = 9,448,301.98

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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.