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Finding the Fourth Proportional to 7,351,510.45, 10,302,743.45 and 7,351,510.45

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Solution

The fourth proportional to 7,351,510.45, 10,302,743.45 and 7,351,510.45 is: 10,302,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351,510.45 : 10,302,743.45 = 7,351,510.45 : x
  2. Step 2: Convert to fraction form
    7,351,510.45/10,302,743.45 = 7,351,510.45/x
  3. Step 3: Cross multiply
    7,351,510.45x = 10,302,743.45 × 7,351,510.45
  4. Step 4: Simplify right side
    7,351,510.45x = 75,740,726,136,344.05
  5. Step 5: Solve for x
    x = 75,740,726,136,344.05/7,351,510.45
  6. Step 6: Final answer
    x = 10,302,743.45

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.