Home / 13,823,999.60-20,735,999.40-4,240,857.20

Finding the Fourth Proportional to 13,823,999.60, 20,735,999.40 and 4,240,857.20

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Solution

The fourth proportional to 13,823,999.60, 20,735,999.40 and 4,240,857.20 is: 6,361,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823,999.60 : 20,735,999.40 = 4,240,857.20 : x
  2. Step 2: Convert to fraction form
    13,823,999.60/20,735,999.40 = 4,240,857.20/x
  3. Step 3: Cross multiply
    13,823,999.60x = 20,735,999.40 × 4,240,857.20
  4. Step 4: Simplify right side
    13,823,999.60x = 87,938,412,354,685.67
  5. Step 5: Solve for x
    x = 87,938,412,354,685.67/13,823,999.60
  6. Step 6: Final answer
    x = 6,361,285.80

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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.