Home / 39,020,430.56-53,844,269.81-21,613,523.27

Finding the Fourth Proportional to 39,020,430.56, 53,844,269.81 and 21,613,523.27

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Solution

The fourth proportional to 39,020,430.56, 53,844,269.81 and 21,613,523.27 is: 29,824,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020,430.56 : 53,844,269.81 = 21,613,523.27 : x
  2. Step 2: Convert to fraction form
    39,020,430.56/53,844,269.81 = 21,613,523.27/x
  3. Step 3: Cross multiply
    39,020,430.56x = 53,844,269.81 × 21,613,523.27
  4. Step 4: Simplify right side
    39,020,430.56x = 1,163,764,378,117,304.50
  5. Step 5: Solve for x
    x = 1,163,764,378,117,304.50/39,020,430.56
  6. Step 6: Final answer
    x = 29,824,488.39

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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.