Home / 7,422,739.70-10,243,632.94-7,082,617.46

Finding the Fourth Proportional to 7,422,739.70, 10,243,632.94 and 7,082,617.46

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Solution

The fourth proportional to 7,422,739.70, 10,243,632.94 and 7,082,617.46 is: 9,774,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,739.70 : 10,243,632.94 = 7,082,617.46 : x
  2. Step 2: Convert to fraction form
    7,422,739.70/10,243,632.94 = 7,082,617.46/x
  3. Step 3: Cross multiply
    7,422,739.70x = 10,243,632.94 × 7,082,617.46
  4. Step 4: Simplify right side
    7,422,739.70x = 72,551,733,514,675.12
  5. Step 5: Solve for x
    x = 72,551,733,514,675.12/7,422,739.70
  6. Step 6: Final answer
    x = 9,774,252.69

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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.