Home / 7,352,485.40-11,027,271.54-6,987,920.60

Finding the Fourth Proportional to 7,352,485.40, 11,027,271.54 and 6,987,920.60

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Solution

The fourth proportional to 7,352,485.40, 11,027,271.54 and 6,987,920.60 is: 10,480,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352,485.40 : 11,027,271.54 = 6,987,920.60 : x
  2. Step 2: Convert to fraction form
    7,352,485.40/11,027,271.54 = 6,987,920.60/x
  3. Step 3: Cross multiply
    7,352,485.40x = 11,027,271.54 × 6,987,920.60
  4. Step 4: Simplify right side
    7,352,485.40x = 77,057,697,956,159.72
  5. Step 5: Solve for x
    x = 77,057,697,956,159.72/7,352,485.40
  6. Step 6: Final answer
    x = 10,480,496.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.