Home / 38,632,040.79-53,258,945.29-30,818,074.34

Finding the Fourth Proportional to 38,632,040.79, 53,258,945.29 and 30,818,074.34

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Solution

The fourth proportional to 38,632,040.79, 53,258,945.29 and 30,818,074.34 is: 42,486,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632,040.79 : 53,258,945.29 = 30,818,074.34 : x
  2. Step 2: Convert to fraction form
    38,632,040.79/53,258,945.29 = 30,818,074.34/x
  3. Step 3: Cross multiply
    38,632,040.79x = 53,258,945.29 × 30,818,074.34
  4. Step 4: Simplify right side
    38,632,040.79x = 1,641,338,135,217,212.75
  5. Step 5: Solve for x
    x = 1,641,338,135,217,212.75/38,632,040.79
  6. Step 6: Final answer
    x = 42,486,446.53

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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.