Home / 6,989,338.08-9,648,262.80-4,698,827.28

Finding the Fourth Proportional to 6,989,338.08, 9,648,262.80 and 4,698,827.28

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Solution

The fourth proportional to 6,989,338.08, 9,648,262.80 and 4,698,827.28 is: 6,486,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,338.08 : 9,648,262.80 = 4,698,827.28 : x
  2. Step 2: Convert to fraction form
    6,989,338.08/9,648,262.80 = 4,698,827.28/x
  3. Step 3: Cross multiply
    6,989,338.08x = 9,648,262.80 × 4,698,827.28
  4. Step 4: Simplify right side
    6,989,338.08x = 45,335,520,449,249.19
  5. Step 5: Solve for x
    x = 45,335,520,449,249.19/6,989,338.08
  6. Step 6: Final answer
    x = 6,486,382.53

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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.