Home / 7,065,103.65-9,749,287.22-4,009,317.90

Finding the Fourth Proportional to 7,065,103.65, 9,749,287.22 and 4,009,317.90

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Solution

The fourth proportional to 7,065,103.65, 9,749,287.22 and 4,009,317.90 is: 5,532,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065,103.65 : 9,749,287.22 = 4,009,317.90 : x
  2. Step 2: Convert to fraction form
    7,065,103.65/9,749,287.22 = 4,009,317.90/x
  3. Step 3: Cross multiply
    7,065,103.65x = 9,749,287.22 × 4,009,317.90
  4. Step 4: Simplify right side
    7,065,103.65x = 39,087,991,743,340.65
  5. Step 5: Solve for x
    x = 39,087,991,743,340.65/7,065,103.65
  6. Step 6: Final answer
    x = 5,532,543.28

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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.