Home / 8,762,840.80-13,132,511.94-6,819,915.47

Finding the Fourth Proportional to 8,762,840.80, 13,132,511.94 and 6,819,915.47

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Solution

The fourth proportional to 8,762,840.80, 13,132,511.94 and 6,819,915.47 is: 10,220,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762,840.80 : 13,132,511.94 = 6,819,915.47 : x
  2. Step 2: Convert to fraction form
    8,762,840.80/13,132,511.94 = 6,819,915.47/x
  3. Step 3: Cross multiply
    8,762,840.80x = 13,132,511.94 × 6,819,915.47
  4. Step 4: Simplify right side
    8,762,840.80x = 89,562,621,299,477.83
  5. Step 5: Solve for x
    x = 89,562,621,299,477.83/8,762,840.80
  6. Step 6: Final answer
    x = 10,220,729.03

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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.