Home / 8,069,673.84-12,102,148.80-6,646,199.28

Finding the Fourth Proportional to 8,069,673.84, 12,102,148.80 and 6,646,199.28

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Solution

The fourth proportional to 8,069,673.84, 12,102,148.80 and 6,646,199.28 is: 9,967,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069,673.84 : 12,102,148.80 = 6,646,199.28 : x
  2. Step 2: Convert to fraction form
    8,069,673.84/12,102,148.80 = 6,646,199.28/x
  3. Step 3: Cross multiply
    8,069,673.84x = 12,102,148.80 × 6,646,199.28
  4. Step 4: Simplify right side
    8,069,673.84x = 80,433,292,641,012.88
  5. Step 5: Solve for x
    x = 80,433,292,641,012.88/8,069,673.84
  6. Step 6: Final answer
    x = 9,967,353.61

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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.