Home / 9,220,018.80-13,830,028.20-6,980,530.80

Finding the Fourth Proportional to 9,220,018.80, 13,830,028.20 and 6,980,530.80

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Solution

The fourth proportional to 9,220,018.80, 13,830,028.20 and 6,980,530.80 is: 10,470,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,018.80 : 13,830,028.20 = 6,980,530.80 : x
  2. Step 2: Convert to fraction form
    9,220,018.80/13,830,028.20 = 6,980,530.80/x
  3. Step 3: Cross multiply
    9,220,018.80x = 13,830,028.20 × 6,980,530.80
  4. Step 4: Simplify right side
    9,220,018.80x = 96,540,937,814,968.55
  5. Step 5: Solve for x
    x = 96,540,937,814,968.55/9,220,018.80
  6. Step 6: Final answer
    x = 10,470,796.20

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Similar ratio
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1.5x scale

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.