Home / 6,989,200.56-9,648,072.85-4,698,689.85

Finding the Fourth Proportional to 6,989,200.56, 9,648,072.85 and 4,698,689.85

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Solution

The fourth proportional to 6,989,200.56, 9,648,072.85 and 4,698,689.85 is: 6,486,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,200.56 : 9,648,072.85 = 4,698,689.85 : x
  2. Step 2: Convert to fraction form
    6,989,200.56/9,648,072.85 = 4,698,689.85/x
  3. Step 3: Cross multiply
    6,989,200.56x = 9,648,072.85 × 4,698,689.85
  4. Step 4: Simplify right side
    6,989,200.56x = 45,333,301,972,355.57
  5. Step 5: Solve for x
    x = 45,333,301,972,355.57/6,989,200.56
  6. Step 6: Final answer
    x = 6,486,192.75

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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.