Home / 8,328,004.20-12,492,006.30-2,648,802.60

Finding the Fourth Proportional to 8,328,004.20, 12,492,006.30 and 2,648,802.60

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Solution

The fourth proportional to 8,328,004.20, 12,492,006.30 and 2,648,802.60 is: 3,973,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328,004.20 : 12,492,006.30 = 2,648,802.60 : x
  2. Step 2: Convert to fraction form
    8,328,004.20/12,492,006.30 = 2,648,802.60/x
  3. Step 3: Cross multiply
    8,328,004.20x = 12,492,006.30 × 2,648,802.60
  4. Step 4: Simplify right side
    8,328,004.20x = 33,088,858,766,656.38
  5. Step 5: Solve for x
    x = 33,088,858,766,656.38/8,328,004.20
  6. Step 6: Final answer
    x = 3,973,203.90

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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.