Home / 7,157,147.67-10,742,447.48-3,747,880.89

Finding the Fourth Proportional to 7,157,147.67, 10,742,447.48 and 3,747,880.89

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Solution

The fourth proportional to 7,157,147.67, 10,742,447.48 and 3,747,880.89 is: 5,625,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,147.67 : 10,742,447.48 = 3,747,880.89 : x
  2. Step 2: Convert to fraction form
    7,157,147.67/10,742,447.48 = 3,747,880.89/x
  3. Step 3: Cross multiply
    7,157,147.67x = 10,742,447.48 × 3,747,880.89
  4. Step 4: Simplify right side
    7,157,147.67x = 40,261,413,603,381.25
  5. Step 5: Solve for x
    x = 40,261,413,603,381.25/7,157,147.67
  6. Step 6: Final answer
    x = 5,625,343.43

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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.