Home / 14,500,974.16-20,010,945.24-7,974,603.60

Finding the Fourth Proportional to 14,500,974.16, 20,010,945.24 and 7,974,603.60

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Solution

The fourth proportional to 14,500,974.16, 20,010,945.24 and 7,974,603.60 is: 11,004,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,974.16 : 20,010,945.24 = 7,974,603.60 : x
  2. Step 2: Convert to fraction form
    14,500,974.16/20,010,945.24 = 7,974,603.60/x
  3. Step 3: Cross multiply
    14,500,974.16x = 20,010,945.24 × 7,974,603.60
  4. Step 4: Simplify right side
    14,500,974.16x = 159,579,355,950,306.84
  5. Step 5: Solve for x
    x = 159,579,355,950,306.84/14,500,974.16
  6. Step 6: Final answer
    x = 11,004,733.49

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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.