Home / 39,020,503.85-53,844,370.90-21,613,596.77

Finding the Fourth Proportional to 39,020,503.85, 53,844,370.90 and 21,613,596.77

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Solution

The fourth proportional to 39,020,503.85, 53,844,370.90 and 21,613,596.77 is: 29,824,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020,503.85 : 53,844,370.90 = 21,613,596.77 : x
  2. Step 2: Convert to fraction form
    39,020,503.85/53,844,370.90 = 21,613,596.77/x
  3. Step 3: Cross multiply
    39,020,503.85x = 53,844,370.90 × 21,613,596.77
  4. Step 4: Simplify right side
    39,020,503.85x = 1,163,770,520,643,666.25
  5. Step 5: Solve for x
    x = 1,163,770,520,643,666.25/39,020,503.85
  6. Step 6: Final answer
    x = 29,824,589.79

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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.