Home / 19,670,615.80-29,524,586.10-12,112,343.80

Finding the Fourth Proportional to 19,670,615.80, 29,524,586.10 and 12,112,343.80

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Solution

The fourth proportional to 19,670,615.80, 29,524,586.10 and 12,112,343.80 is: 18,180,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670,615.80 : 29,524,586.10 = 12,112,343.80 : x
  2. Step 2: Convert to fraction form
    19,670,615.80/29,524,586.10 = 12,112,343.80/x
  3. Step 3: Cross multiply
    19,670,615.80x = 29,524,586.10 × 12,112,343.80
  4. Step 4: Simplify right side
    19,670,615.80x = 357,611,937,395,901.25
  5. Step 5: Solve for x
    x = 357,611,937,395,901.25/19,670,615.80
  6. Step 6: Final answer
    x = 18,180,007.23

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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.