Home / 7,161,706.53-9,883,156.05-3,898,546.02

Finding the Fourth Proportional to 7,161,706.53, 9,883,156.05 and 3,898,546.02

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Solution

The fourth proportional to 7,161,706.53, 9,883,156.05 and 3,898,546.02 is: 5,379,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,706.53 : 9,883,156.05 = 3,898,546.02 : x
  2. Step 2: Convert to fraction form
    7,161,706.53/9,883,156.05 = 3,898,546.02/x
  3. Step 3: Cross multiply
    7,161,706.53x = 9,883,156.05 × 3,898,546.02
  4. Step 4: Simplify right side
    7,161,706.53x = 38,529,938,683,766.42
  5. Step 5: Solve for x
    x = 38,529,938,683,766.42/7,161,706.53
  6. Step 6: Final answer
    x = 5,379,994.07

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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.