Home / 8,507,172.24-12,760,692.75-2,117,381.67

Finding the Fourth Proportional to 8,507,172.24, 12,760,692.75 and 2,117,381.67

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Solution

The fourth proportional to 8,507,172.24, 12,760,692.75 and 2,117,381.67 is: 3,176,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,172.24 : 12,760,692.75 = 2,117,381.67 : x
  2. Step 2: Convert to fraction form
    8,507,172.24/12,760,692.75 = 2,117,381.67/x
  3. Step 3: Cross multiply
    8,507,172.24x = 12,760,692.75 × 2,117,381.67
  4. Step 4: Simplify right side
    8,507,172.24x = 27,019,256,925,351.89
  5. Step 5: Solve for x
    x = 27,019,256,925,351.89/8,507,172.24
  6. Step 6: Final answer
    x = 3,176,056.18

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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.