Home / 12,941,812.78-17,866,173.45-8,048,611.24

Finding the Fourth Proportional to 12,941,812.78, 17,866,173.45 and 8,048,611.24

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Solution

The fourth proportional to 12,941,812.78, 17,866,173.45 and 8,048,611.24 is: 11,111,108.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941,812.78 : 17,866,173.45 = 8,048,611.24 : x
  2. Step 2: Convert to fraction form
    12,941,812.78/17,866,173.45 = 8,048,611.24/x
  3. Step 3: Cross multiply
    12,941,812.78x = 17,866,173.45 × 8,048,611.24
  4. Step 4: Simplify right side
    12,941,812.78x = 143,797,884,445,459.56
  5. Step 5: Solve for x
    x = 143,797,884,445,459.56/12,941,812.78
  6. Step 6: Final answer
    x = 11,111,108.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.