Home / 7,194,792.84-9,928,840.20-3,931,607.64

Finding the Fourth Proportional to 7,194,792.84, 9,928,840.20 and 3,931,607.64

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Solution

The fourth proportional to 7,194,792.84, 9,928,840.20 and 3,931,607.64 is: 5,425,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194,792.84 : 9,928,840.20 = 3,931,607.64 : x
  2. Step 2: Convert to fraction form
    7,194,792.84/9,928,840.20 = 3,931,607.64/x
  3. Step 3: Cross multiply
    7,194,792.84x = 9,928,840.20 × 3,931,607.64
  4. Step 4: Simplify right side
    7,194,792.84x = 39,036,303,986,659.12
  5. Step 5: Solve for x
    x = 39,036,303,986,659.12/7,194,792.84
  6. Step 6: Final answer
    x = 5,425,632.80

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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.