Home / 50,720,675.69-69,987,065.12-28,392,501.24

Finding the Fourth Proportional to 50,720,675.69, 69,987,065.12 and 28,392,501.24

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Solution

The fourth proportional to 50,720,675.69, 69,987,065.12 and 28,392,501.24 is: 39,177,471.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720,675.69 : 69,987,065.12 = 28,392,501.24 : x
  2. Step 2: Convert to fraction form
    50,720,675.69/69,987,065.12 = 28,392,501.24/x
  3. Step 3: Cross multiply
    50,720,675.69x = 69,987,065.12 × 28,392,501.24
  4. Step 4: Simplify right side
    50,720,675.69x = 1,987,107,832,886,630.50
  5. Step 5: Solve for x
    x = 1,987,107,832,886,630.50/50,720,675.69
  6. Step 6: Final answer
    x = 39,177,471.63

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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.