Home / 21,952,796.60-30,294,458.33-12,163,205.05

Finding the Fourth Proportional to 21,952,796.60, 30,294,458.33 and 12,163,205.05

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Solution

The fourth proportional to 21,952,796.60, 30,294,458.33 and 12,163,205.05 is: 16,785,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952,796.60 : 30,294,458.33 = 12,163,205.05 : x
  2. Step 2: Convert to fraction form
    21,952,796.60/30,294,458.33 = 12,163,205.05/x
  3. Step 3: Cross multiply
    21,952,796.60x = 30,294,458.33 × 12,163,205.05
  4. Step 4: Simplify right side
    21,952,796.60x = 368,477,708,409,918.38
  5. Step 5: Solve for x
    x = 368,477,708,409,918.38/21,952,796.60
  6. Step 6: Final answer
    x = 16,785,000.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.