Home / 21,001,762.50-31,507,958.16-5,855,694

Finding the Fourth Proportional to 21,001,762.50, 31,507,958.16 and 5,855,694

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Solution

The fourth proportional to 21,001,762.50, 31,507,958.16 and 5,855,694 is: 8,785,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,762.50 : 31,507,958.16 = 5,855,694 : x
  2. Step 2: Convert to fraction form
    21,001,762.50/31,507,958.16 = 5,855,694/x
  3. Step 3: Cross multiply
    21,001,762.50x = 31,507,958.16 × 5,855,694
  4. Step 4: Simplify right side
    21,001,762.50x = 184,500,961,549,763.03
  5. Step 5: Solve for x
    x = 184,500,961,549,763.03/21,001,762.50
  6. Step 6: Final answer
    x = 8,785,022.76

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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.