Home / 31,003,117.20-46,504,675.80-20,232,579.60

Finding the Fourth Proportional to 31,003,117.20, 46,504,675.80 and 20,232,579.60

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Solution

The fourth proportional to 31,003,117.20, 46,504,675.80 and 20,232,579.60 is: 30,348,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,003,117.20 : 46,504,675.80 = 20,232,579.60 : x
  2. Step 2: Convert to fraction form
    31,003,117.20/46,504,675.80 = 20,232,579.60/x
  3. Step 3: Cross multiply
    31,003,117.20x = 46,504,675.80 × 20,232,579.60
  4. Step 4: Simplify right side
    31,003,117.20x = 940,909,554,895,693.75
  5. Step 5: Solve for x
    x = 940,909,554,895,693.75/31,003,117.20
  6. Step 6: Final answer
    x = 30,348,869.40

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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.