Home / 7,018,785.37-9,685,745.37-3,921,332.00

Finding the Fourth Proportional to 7,018,785.37, 9,685,745.37 and 3,921,332.00

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Solution

The fourth proportional to 7,018,785.37, 9,685,745.37 and 3,921,332.00 is: 5,411,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,785.37 : 9,685,745.37 = 3,921,332.00 : x
  2. Step 2: Convert to fraction form
    7,018,785.37/9,685,745.37 = 3,921,332.00/x
  3. Step 3: Cross multiply
    7,018,785.37x = 9,685,745.37 × 3,921,332.00
  4. Step 4: Simplify right side
    7,018,785.37x = 37,981,023,214,804.11
  5. Step 5: Solve for x
    x = 37,981,023,214,804.11/7,018,785.37
  6. Step 6: Final answer
    x = 5,411,338.46

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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.