Home / 38,632,040.29-53,258,944.60-30,818,073.84

Finding the Fourth Proportional to 38,632,040.29, 53,258,944.60 and 30,818,073.84

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Solution

The fourth proportional to 38,632,040.29, 53,258,944.60 and 30,818,073.84 is: 42,486,445.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632,040.29 : 53,258,944.60 = 30,818,073.84 : x
  2. Step 2: Convert to fraction form
    38,632,040.29/53,258,944.60 = 30,818,073.84/x
  3. Step 3: Cross multiply
    38,632,040.29x = 53,258,944.60 × 30,818,073.84
  4. Step 4: Simplify right side
    38,632,040.29x = 1,641,338,087,323,269.25
  5. Step 5: Solve for x
    x = 1,641,338,087,323,269.25/38,632,040.29
  6. Step 6: Final answer
    x = 42,486,445.84

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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.