Home / 51,492,619.28-71,060,542.44-28,289,890.64

Finding the Fourth Proportional to 51,492,619.28, 71,060,542.44 and 28,289,890.64

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Solution

The fourth proportional to 51,492,619.28, 71,060,542.44 and 28,289,890.64 is: 39,040,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,492,619.28 : 71,060,542.44 = 28,289,890.64 : x
  2. Step 2: Convert to fraction form
    51,492,619.28/71,060,542.44 = 28,289,890.64/x
  3. Step 3: Cross multiply
    51,492,619.28x = 71,060,542.44 × 28,289,890.64
  4. Step 4: Simplify right side
    51,492,619.28x = 2,010,294,974,446,678.75
  5. Step 5: Solve for x
    x = 2,010,294,974,446,678.75/51,492,619.28
  6. Step 6: Final answer
    x = 39,040,448.95

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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.