Home / 8,603,142.47-11,872,336.43-4,682,913.53

Finding the Fourth Proportional to 8,603,142.47, 11,872,336.43 and 4,682,913.53

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Solution

The fourth proportional to 8,603,142.47, 11,872,336.43 and 4,682,913.53 is: 6,462,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603,142.47 : 11,872,336.43 = 4,682,913.53 : x
  2. Step 2: Convert to fraction form
    8,603,142.47/11,872,336.43 = 4,682,913.53/x
  3. Step 3: Cross multiply
    8,603,142.47x = 11,872,336.43 × 4,682,913.53
  4. Step 4: Simplify right side
    8,603,142.47x = 55,597,124,817,982.66
  5. Step 5: Solve for x
    x = 55,597,124,817,982.66/8,603,142.47
  6. Step 6: Final answer
    x = 6,462,420.57

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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.