Home / 27,707,638.56-38,238,238.80-15,485,471.52

Finding the Fourth Proportional to 27,707,638.56, 38,238,238.80 and 15,485,471.52

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Solution

The fourth proportional to 27,707,638.56, 38,238,238.80 and 15,485,471.52 is: 21,370,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707,638.56 : 38,238,238.80 = 15,485,471.52 : x
  2. Step 2: Convert to fraction form
    27,707,638.56/38,238,238.80 = 15,485,471.52/x
  3. Step 3: Cross multiply
    27,707,638.56x = 38,238,238.80 × 15,485,471.52
  4. Step 4: Simplify right side
    27,707,638.56x = 592,137,157,912,358.88
  5. Step 5: Solve for x
    x = 592,137,157,912,358.88/27,707,638.56
  6. Step 6: Final answer
    x = 21,370,899.46

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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.