Home / 8,401,202.63-12,602,679.73-3,213,802.05

Finding the Fourth Proportional to 8,401,202.63, 12,602,679.73 and 3,213,802.05

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Solution

The fourth proportional to 8,401,202.63, 12,602,679.73 and 3,213,802.05 is: 4,821,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401,202.63 : 12,602,679.73 = 3,213,802.05 : x
  2. Step 2: Convert to fraction form
    8,401,202.63/12,602,679.73 = 3,213,802.05/x
  3. Step 3: Cross multiply
    8,401,202.63x = 12,602,679.73 × 3,213,802.05
  4. Step 4: Simplify right side
    8,401,202.63x = 40,502,517,943,732.94
  5. Step 5: Solve for x
    x = 40,502,517,943,732.94/8,401,202.63
  6. Step 6: Final answer
    x = 4,821,038.10

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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.