Home / 39,020,465.82-53,844,318.38-21,613,558.74

Finding the Fourth Proportional to 39,020,465.82, 53,844,318.38 and 21,613,558.74

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Solution

The fourth proportional to 39,020,465.82, 53,844,318.38 and 21,613,558.74 is: 29,824,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020,465.82 : 53,844,318.38 = 21,613,558.74 : x
  2. Step 2: Convert to fraction form
    39,020,465.82/53,844,318.38 = 21,613,558.74/x
  3. Step 3: Cross multiply
    39,020,465.82x = 53,844,318.38 × 21,613,558.74
  4. Step 4: Simplify right side
    39,020,465.82x = 1,163,767,337,973,509.25
  5. Step 5: Solve for x
    x = 1,163,767,337,973,509.25/39,020,465.82
  6. Step 6: Final answer
    x = 29,824,537.29

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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.