Home / 8,008,172.79-12,013,804.67-2,615,373.42

Finding the Fourth Proportional to 8,008,172.79, 12,013,804.67 and 2,615,373.42

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Solution

The fourth proportional to 8,008,172.79, 12,013,804.67 and 2,615,373.42 is: 3,923,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008,172.79 : 12,013,804.67 = 2,615,373.42 : x
  2. Step 2: Convert to fraction form
    8,008,172.79/12,013,804.67 = 2,615,373.42/x
  3. Step 3: Cross multiply
    8,008,172.79x = 12,013,804.67 × 2,615,373.42
  4. Step 4: Simplify right side
    8,008,172.79x = 31,420,585,406,989.87
  5. Step 5: Solve for x
    x = 31,420,585,406,989.87/8,008,172.79
  6. Step 6: Final answer
    x = 3,923,564.87

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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.