Home / 6,989,324.49-9,648,243.72-4,698,813.78

Finding the Fourth Proportional to 6,989,324.49, 9,648,243.72 and 4,698,813.78

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Solution

The fourth proportional to 6,989,324.49, 9,648,243.72 and 4,698,813.78 is: 6,486,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,324.49 : 9,648,243.72 = 4,698,813.78 : x
  2. Step 2: Convert to fraction form
    6,989,324.49/9,648,243.72 = 4,698,813.78/x
  3. Step 3: Cross multiply
    6,989,324.49x = 9,648,243.72 × 4,698,813.78
  4. Step 4: Simplify right side
    6,989,324.49x = 45,335,300,544,334.47
  5. Step 5: Solve for x
    x = 45,335,300,544,334.47/6,989,324.49
  6. Step 6: Final answer
    x = 6,486,363.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.