Home / 20,903,447.61-31,355,486.60-7,257,027.33

Finding the Fourth Proportional to 20,903,447.61, 31,355,486.60 and 7,257,027.33

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Solution

The fourth proportional to 20,903,447.61, 31,355,486.60 and 7,257,027.33 is: 10,885,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,447.61 : 31,355,486.60 = 7,257,027.33 : x
  2. Step 2: Convert to fraction form
    20,903,447.61/31,355,486.60 = 7,257,027.33/x
  3. Step 3: Cross multiply
    20,903,447.61x = 31,355,486.60 × 7,257,027.33
  4. Step 4: Simplify right side
    20,903,447.61x = 227,547,623,201,648.78
  5. Step 5: Solve for x
    x = 227,547,623,201,648.78/20,903,447.61
  6. Step 6: Final answer
    x = 10,885,650.42

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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.