Home / 9,853,128.68-13,603,715.64-8,818,845.35

Finding the Fourth Proportional to 9,853,128.68, 13,603,715.64 and 8,818,845.35

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Solution

The fourth proportional to 9,853,128.68, 13,603,715.64 and 8,818,845.35 is: 12,175,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853,128.68 : 13,603,715.64 = 8,818,845.35 : x
  2. Step 2: Convert to fraction form
    9,853,128.68/13,603,715.64 = 8,818,845.35/x
  3. Step 3: Cross multiply
    9,853,128.68x = 13,603,715.64 × 8,818,845.35
  4. Step 4: Simplify right side
    9,853,128.68x = 119,969,064,414,536.28
  5. Step 5: Solve for x
    x = 119,969,064,414,536.28/9,853,128.68
  6. Step 6: Final answer
    x = 12,175,733.04

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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.