Home / 27,222,811.08-37,570,126.69-20,335,335.72

Finding the Fourth Proportional to 27,222,811.08, 37,570,126.69 and 20,335,335.72

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Solution

The fourth proportional to 27,222,811.08, 37,570,126.69 and 20,335,335.72 is: 28,064,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,222,811.08 : 37,570,126.69 = 20,335,335.72 : x
  2. Step 2: Convert to fraction form
    27,222,811.08/37,570,126.69 = 20,335,335.72/x
  3. Step 3: Cross multiply
    27,222,811.08x = 37,570,126.69 × 20,335,335.72
  4. Step 4: Simplify right side
    27,222,811.08x = 764,001,139,284,082.25
  5. Step 5: Solve for x
    x = 764,001,139,284,082.25/27,222,811.08
  6. Step 6: Final answer
    x = 28,064,740.89

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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.