Home / 27,483,477.64-37,941,923.84-21,190,260.07

Finding the Fourth Proportional to 27,483,477.64, 37,941,923.84 and 21,190,260.07

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Solution

The fourth proportional to 27,483,477.64, 37,941,923.84 and 21,190,260.07 is: 29,253,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,483,477.64 : 37,941,923.84 = 21,190,260.07 : x
  2. Step 2: Convert to fraction form
    27,483,477.64/37,941,923.84 = 21,190,260.07/x
  3. Step 3: Cross multiply
    27,483,477.64x = 37,941,923.84 × 21,190,260.07
  4. Step 4: Simplify right side
    27,483,477.64x = 803,999,233,667,209.12
  5. Step 5: Solve for x
    x = 803,999,233,667,209.12/27,483,477.64
  6. Step 6: Final answer
    x = 29,253,911.91

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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.