Home / 20,477,126.33-30,715,804.32-6,830,235.25

Finding the Fourth Proportional to 20,477,126.33, 30,715,804.32 and 6,830,235.25

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Solution

The fourth proportional to 20,477,126.33, 30,715,804.32 and 6,830,235.25 is: 10,245,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477,126.33 : 30,715,804.32 = 6,830,235.25 : x
  2. Step 2: Convert to fraction form
    20,477,126.33/30,715,804.32 = 6,830,235.25/x
  3. Step 3: Cross multiply
    20,477,126.33x = 30,715,804.32 × 6,830,235.25
  4. Step 4: Simplify right side
    20,477,126.33x = 209,796,169,334,583.44
  5. Step 5: Solve for x
    x = 209,796,169,334,583.44/20,477,126.33
  6. Step 6: Final answer
    x = 10,245,391.17

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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.