Home / 6,971,981.81-9,621,568.53-3,874,635.77

Finding the Fourth Proportional to 6,971,981.81, 9,621,568.53 and 3,874,635.77

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Solution

The fourth proportional to 6,971,981.81, 9,621,568.53 and 3,874,635.77 is: 5,347,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971,981.81 : 9,621,568.53 = 3,874,635.77 : x
  2. Step 2: Convert to fraction form
    6,971,981.81/9,621,568.53 = 3,874,635.77/x
  3. Step 3: Cross multiply
    6,971,981.81x = 9,621,568.53 × 3,874,635.77
  4. Step 4: Simplify right side
    6,971,981.81x = 37,280,073,541,736.48
  5. Step 5: Solve for x
    x = 37,280,073,541,736.48/6,971,981.81
  6. Step 6: Final answer
    x = 5,347,127.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.