Home / 10,443,420.90-15,661,583.36-3,618,401.04

Finding the Fourth Proportional to 10,443,420.90, 15,661,583.36 and 3,618,401.04

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Solution

The fourth proportional to 10,443,420.90, 15,661,583.36 and 3,618,401.04 is: 5,426,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443,420.90 : 15,661,583.36 = 3,618,401.04 : x
  2. Step 2: Convert to fraction form
    10,443,420.90/15,661,583.36 = 3,618,401.04/x
  3. Step 3: Cross multiply
    10,443,420.90x = 15,661,583.36 × 3,618,401.04
  4. Step 4: Simplify right side
    10,443,420.90x = 56,669,889,517,870.70
  5. Step 5: Solve for x
    x = 56,669,889,517,870.70/10,443,420.90
  6. Step 6: Final answer
    x = 5,426,372.26

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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.