Home / 10,369,628.20-15,554,442.30-3,638,722.60

Finding the Fourth Proportional to 10,369,628.20, 15,554,442.30 and 3,638,722.60

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Solution

The fourth proportional to 10,369,628.20, 15,554,442.30 and 3,638,722.60 is: 5,458,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,628.20 : 15,554,442.30 = 3,638,722.60 : x
  2. Step 2: Convert to fraction form
    10,369,628.20/15,554,442.30 = 3,638,722.60/x
  3. Step 3: Cross multiply
    10,369,628.20x = 15,554,442.30 × 3,638,722.60
  4. Step 4: Simplify right side
    10,369,628.20x = 56,598,300,727,405.98
  5. Step 5: Solve for x
    x = 56,598,300,727,405.98/10,369,628.20
  6. Step 6: Final answer
    x = 5,458,083.90

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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.