Home / 10,401,980.70-15,603,019.65-3,670,394.70

Finding the Fourth Proportional to 10,401,980.70, 15,603,019.65 and 3,670,394.70

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Solution

The fourth proportional to 10,401,980.70, 15,603,019.65 and 3,670,394.70 is: 5,505,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401,980.70 : 15,603,019.65 = 3,670,394.70 : x
  2. Step 2: Convert to fraction form
    10,401,980.70/15,603,019.65 = 3,670,394.70/x
  3. Step 3: Cross multiply
    10,401,980.70x = 15,603,019.65 × 3,670,394.70
  4. Step 4: Simplify right side
    10,401,980.70x = 57,269,240,627,355.86
  5. Step 5: Solve for x
    x = 57,269,240,627,355.86/10,401,980.70
  6. Step 6: Final answer
    x = 5,505,609.20

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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.