Home / 20,477,128.33-30,715,807.32-6,830,237.25

Finding the Fourth Proportional to 20,477,128.33, 30,715,807.32 and 6,830,237.25

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Solution

The fourth proportional to 20,477,128.33, 30,715,807.32 and 6,830,237.25 is: 10,245,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477,128.33 : 30,715,807.32 = 6,830,237.25 : x
  2. Step 2: Convert to fraction form
    20,477,128.33/30,715,807.32 = 6,830,237.25/x
  3. Step 3: Cross multiply
    20,477,128.33x = 30,715,807.32 × 6,830,237.25
  4. Step 4: Simplify right side
    20,477,128.33x = 209,796,251,320,886.69
  5. Step 5: Solve for x
    x = 209,796,251,320,886.69/20,477,128.33
  6. Step 6: Final answer
    x = 10,245,394.18

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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.