Home / 28,206,240.56-42,309,370.20-7,736,173.28

Finding the Fourth Proportional to 28,206,240.56, 42,309,370.20 and 7,736,173.28

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Solution

The fourth proportional to 28,206,240.56, 42,309,370.20 and 7,736,173.28 is: 11,604,262.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206,240.56 : 42,309,370.20 = 7,736,173.28 : x
  2. Step 2: Convert to fraction form
    28,206,240.56/42,309,370.20 = 7,736,173.28/x
  3. Step 3: Cross multiply
    28,206,240.56x = 42,309,370.20 × 7,736,173.28
  4. Step 4: Simplify right side
    28,206,240.56x = 327,312,619,234,868.31
  5. Step 5: Solve for x
    x = 327,312,619,234,868.31/28,206,240.56
  6. Step 6: Final answer
    x = 11,604,262.49

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1.5x scale

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.