Home / 6,670,976.40-9,205,955.30-3,615,190.65

Finding the Fourth Proportional to 6,670,976.40, 9,205,955.30 and 3,615,190.65

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Solution

The fourth proportional to 6,670,976.40, 9,205,955.30 and 3,615,190.65 is: 4,988,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670,976.40 : 9,205,955.30 = 3,615,190.65 : x
  2. Step 2: Convert to fraction form
    6,670,976.40/9,205,955.30 = 3,615,190.65/x
  3. Step 3: Cross multiply
    6,670,976.40x = 9,205,955.30 × 3,615,190.65
  4. Step 4: Simplify right side
    6,670,976.40x = 33,281,283,460,772.21
  5. Step 5: Solve for x
    x = 33,281,283,460,772.21/6,670,976.40
  6. Step 6: Final answer
    x = 4,988,967.36

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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.