Home / 21,295,971.56-31,949,343.84-5,943,258.56

Finding the Fourth Proportional to 21,295,971.56, 31,949,343.84 and 5,943,258.56

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Solution

The fourth proportional to 21,295,971.56, 31,949,343.84 and 5,943,258.56 is: 8,916,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295,971.56 : 31,949,343.84 = 5,943,258.56 : x
  2. Step 2: Convert to fraction form
    21,295,971.56/31,949,343.84 = 5,943,258.56/x
  3. Step 3: Cross multiply
    21,295,971.56x = 31,949,343.84 × 5,943,258.56
  4. Step 4: Simplify right side
    21,295,971.56x = 189,883,211,263,463.25
  5. Step 5: Solve for x
    x = 189,883,211,263,463.25/21,295,971.56
  6. Step 6: Final answer
    x = 8,916,391.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.