Home / 20,793,105.60-31,184,992.80-10,004,897.04

Finding the Fourth Proportional to 20,793,105.60, 31,184,992.80 and 10,004,897.04

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Solution

The fourth proportional to 20,793,105.60, 31,184,992.80 and 10,004,897.04 is: 15,005,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793,105.60 : 31,184,992.80 = 10,004,897.04 : x
  2. Step 2: Convert to fraction form
    20,793,105.60/31,184,992.80 = 10,004,897.04/x
  3. Step 3: Cross multiply
    20,793,105.60x = 31,184,992.80 × 10,004,897.04
  4. Step 4: Simplify right side
    20,793,105.60x = 312,002,642,157,141.31
  5. Step 5: Solve for x
    x = 312,002,642,157,141.31/20,793,105.60
  6. Step 6: Final answer
    x = 15,005,100.64

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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.