Home / 6,989,201.07-9,648,073.55-4,698,690.36

Finding the Fourth Proportional to 6,989,201.07, 9,648,073.55 and 4,698,690.36

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Solution

The fourth proportional to 6,989,201.07, 9,648,073.55 and 4,698,690.36 is: 6,486,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,201.07 : 9,648,073.55 = 4,698,690.36 : x
  2. Step 2: Convert to fraction form
    6,989,201.07/9,648,073.55 = 4,698,690.36/x
  3. Step 3: Cross multiply
    6,989,201.07x = 9,648,073.55 × 4,698,690.36
  4. Step 4: Simplify right side
    6,989,201.07x = 45,333,310,158,462.53
  5. Step 5: Solve for x
    x = 45,333,310,158,462.53/6,989,201.07
  6. Step 6: Final answer
    x = 6,486,193.44

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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.