Home / 20,738,055.40-31,097,751.90-7,954,311.40

Finding the Fourth Proportional to 20,738,055.40, 31,097,751.90 and 7,954,311.40

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Solution

The fourth proportional to 20,738,055.40, 31,097,751.90 and 7,954,311.40 is: 11,927,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,738,055.40 : 31,097,751.90 = 7,954,311.40 : x
  2. Step 2: Convert to fraction form
    20,738,055.40/31,097,751.90 = 7,954,311.40/x
  3. Step 3: Cross multiply
    20,738,055.40x = 31,097,751.90 × 7,954,311.40
  4. Step 4: Simplify right side
    20,738,055.40x = 247,361,202,452,541.66
  5. Step 5: Solve for x
    x = 247,361,202,452,541.66/20,738,055.40
  6. Step 6: Final answer
    x = 11,927,888.01

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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.