Home / 6,989,246.10-9,648,135.78-4,698,735.42

Finding the Fourth Proportional to 6,989,246.10, 9,648,135.78 and 4,698,735.42

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Solution

The fourth proportional to 6,989,246.10, 9,648,135.78 and 4,698,735.42 is: 6,486,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,246.10 : 9,648,135.78 = 4,698,735.42 : x
  2. Step 2: Convert to fraction form
    6,989,246.10/9,648,135.78 = 4,698,735.42/x
  3. Step 3: Cross multiply
    6,989,246.10x = 9,648,135.78 × 4,698,735.42
  4. Step 4: Simplify right side
    6,989,246.10x = 45,334,037,326,455.32
  5. Step 5: Solve for x
    x = 45,334,037,326,455.32/6,989,246.10
  6. Step 6: Final answer
    x = 6,486,255.70

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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.