Home / 6,725,804.80-9,281,834.40-3,670,186.72

Finding the Fourth Proportional to 6,725,804.80, 9,281,834.40 and 3,670,186.72

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Solution

The fourth proportional to 6,725,804.80, 9,281,834.40 and 3,670,186.72 is: 5,064,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,725,804.80 : 9,281,834.40 = 3,670,186.72 : x
  2. Step 2: Convert to fraction form
    6,725,804.80/9,281,834.40 = 3,670,186.72/x
  3. Step 3: Cross multiply
    6,725,804.80x = 9,281,834.40 × 3,670,186.72
  4. Step 4: Simplify right side
    6,725,804.80x = 34,066,065,352,119.17
  5. Step 5: Solve for x
    x = 34,066,065,352,119.17/6,725,804.80
  6. Step 6: Final answer
    x = 5,064,979.79

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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.