Home / 7,130,143.80-10,695,858.84-2,012,630.22

Finding the Fourth Proportional to 7,130,143.80, 10,695,858.84 and 2,012,630.22

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Solution

The fourth proportional to 7,130,143.80, 10,695,858.84 and 2,012,630.22 is: 3,019,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,143.80 : 10,695,858.84 = 2,012,630.22 : x
  2. Step 2: Convert to fraction form
    7,130,143.80/10,695,858.84 = 2,012,630.22/x
  3. Step 3: Cross multiply
    7,130,143.80x = 10,695,858.84 × 2,012,630.22
  4. Step 4: Simplify right side
    7,130,143.80x = 21,526,808,730,238.14
  5. Step 5: Solve for x
    x = 21,526,808,730,238.14/7,130,143.80
  6. Step 6: Final answer
    x = 3,019,126.87

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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.