Home / 20,697,065.96-31,047,517.74-7,045,625.84

Finding the Fourth Proportional to 20,697,065.96, 31,047,517.74 and 7,045,625.84

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Solution

The fourth proportional to 20,697,065.96, 31,047,517.74 and 7,045,625.84 is: 10,569,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,065.96 : 31,047,517.74 = 7,045,625.84 : x
  2. Step 2: Convert to fraction form
    20,697,065.96/31,047,517.74 = 7,045,625.84/x
  3. Step 3: Cross multiply
    20,697,065.96x = 31,047,517.74 × 7,045,625.84
  4. Step 4: Simplify right side
    20,697,065.96x = 218,749,193,256,802.38
  5. Step 5: Solve for x
    x = 218,749,193,256,802.38/20,697,065.96
  6. Step 6: Final answer
    x = 10,569,091.95

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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.