Home / 10,369,911.24-15,555,614.40-3,980,163.60

Finding the Fourth Proportional to 10,369,911.24, 15,555,614.40 and 3,980,163.60

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Solution

The fourth proportional to 10,369,911.24, 15,555,614.40 and 3,980,163.60 is: 5,970,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,911.24 : 15,555,614.40 = 3,980,163.60 : x
  2. Step 2: Convert to fraction form
    10,369,911.24/15,555,614.40 = 3,980,163.60/x
  3. Step 3: Cross multiply
    10,369,911.24x = 15,555,614.40 × 3,980,163.60
  4. Step 4: Simplify right side
    10,369,911.24x = 61,913,890,210,515.84
  5. Step 5: Solve for x
    x = 61,913,890,210,515.84/10,369,911.24
  6. Step 6: Final answer
    x = 5,970,532.32

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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.