Home / 9,530,941.78-13,152,785.79-5,180,038.48

Finding the Fourth Proportional to 9,530,941.78, 13,152,785.79 and 5,180,038.48

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Solution

The fourth proportional to 9,530,941.78, 13,152,785.79 and 5,180,038.48 is: 7,148,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,530,941.78 : 13,152,785.79 = 5,180,038.48 : x
  2. Step 2: Convert to fraction form
    9,530,941.78/13,152,785.79 = 5,180,038.48/x
  3. Step 3: Cross multiply
    9,530,941.78x = 13,152,785.79 × 5,180,038.48
  4. Step 4: Simplify right side
    9,530,941.78x = 68,131,936,511,397.20
  5. Step 5: Solve for x
    x = 68,131,936,511,397.20/9,530,941.78
  6. Step 6: Final answer
    x = 7,148,499.92

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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.