Home / 9,853,128.93-13,603,715.99-8,818,845.60

Finding the Fourth Proportional to 9,853,128.93, 13,603,715.99 and 8,818,845.60

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Solution

The fourth proportional to 9,853,128.93, 13,603,715.99 and 8,818,845.60 is: 12,175,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853,128.93 : 13,603,715.99 = 8,818,845.60 : x
  2. Step 2: Convert to fraction form
    9,853,128.93/13,603,715.99 = 8,818,845.60/x
  3. Step 3: Cross multiply
    9,853,128.93x = 13,603,715.99 × 8,818,845.60
  4. Step 4: Simplify right side
    9,853,128.93x = 119,969,070,902,061.14
  5. Step 5: Solve for x
    x = 119,969,070,902,061.14/9,853,128.93
  6. Step 6: Final answer
    x = 12,175,733.39

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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.