Home / 21,023,999.60-31,535,999.40-5,877,906.80

Finding the Fourth Proportional to 21,023,999.60, 31,535,999.40 and 5,877,906.80

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Solution

The fourth proportional to 21,023,999.60, 31,535,999.40 and 5,877,906.80 is: 8,816,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023,999.60 : 31,535,999.40 = 5,877,906.80 : x
  2. Step 2: Convert to fraction form
    21,023,999.60/31,535,999.40 = 5,877,906.80/x
  3. Step 3: Cross multiply
    21,023,999.60x = 31,535,999.40 × 5,877,906.80
  4. Step 4: Simplify right side
    21,023,999.60x = 185,365,665,318,055.91
  5. Step 5: Solve for x
    x = 185,365,665,318,055.91/21,023,999.60
  6. Step 6: Final answer
    x = 8,816,860.20

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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.