Home / 27,259,313.50-37,666,840.66-20,721,592.77

Finding the Fourth Proportional to 27,259,313.50, 37,666,840.66 and 20,721,592.77

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Solution

The fourth proportional to 27,259,313.50, 37,666,840.66 and 20,721,592.77 is: 28,633,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259,313.50 : 37,666,840.66 = 20,721,592.77 : x
  2. Step 2: Convert to fraction form
    27,259,313.50/37,666,840.66 = 20,721,592.77/x
  3. Step 3: Cross multiply
    27,259,313.50x = 37,666,840.66 × 20,721,592.77
  4. Step 4: Simplify right side
    27,259,313.50x = 780,516,932,895,943.38
  5. Step 5: Solve for x
    x = 780,516,932,895,943.38/27,259,313.50
  6. Step 6: Final answer
    x = 28,633,037.03

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1.5x scale

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.