Home / 21,004,922.85-31,507,384.28-5,048,570.85

Finding the Fourth Proportional to 21,004,922.85, 31,507,384.28 and 5,048,570.85

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Solution

The fourth proportional to 21,004,922.85, 31,507,384.28 and 5,048,570.85 is: 7,572,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,922.85 : 31,507,384.28 = 5,048,570.85 : x
  2. Step 2: Convert to fraction form
    21,004,922.85/31,507,384.28 = 5,048,570.85/x
  3. Step 3: Cross multiply
    21,004,922.85x = 31,507,384.28 × 5,048,570.85
  4. Step 4: Simplify right side
    21,004,922.85x = 159,067,261,810,513.38
  5. Step 5: Solve for x
    x = 159,067,261,810,513.38/21,004,922.85
  6. Step 6: Final answer
    x = 7,572,856.28

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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.