Home / 9,355,640.40-14,033,460.60-7,985,703.60

Finding the Fourth Proportional to 9,355,640.40, 14,033,460.60 and 7,985,703.60

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Solution

The fourth proportional to 9,355,640.40, 14,033,460.60 and 7,985,703.60 is: 11,978,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355,640.40 : 14,033,460.60 = 7,985,703.60 : x
  2. Step 2: Convert to fraction form
    9,355,640.40/14,033,460.60 = 7,985,703.60/x
  3. Step 3: Cross multiply
    9,355,640.40x = 14,033,460.60 × 7,985,703.60
  4. Step 4: Simplify right side
    9,355,640.40x = 112,067,056,833,878.16
  5. Step 5: Solve for x
    x = 112,067,056,833,878.16/9,355,640.40
  6. Step 6: Final answer
    x = 11,978,555.40

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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.