Home / 19,661,426.70-29,471,678.59-11,012,847.72

Finding the Fourth Proportional to 19,661,426.70, 29,471,678.59 and 11,012,847.72

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Solution

The fourth proportional to 19,661,426.70, 29,471,678.59 and 11,012,847.72 is: 16,507,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661,426.70 : 29,471,678.59 = 11,012,847.72 : x
  2. Step 2: Convert to fraction form
    19,661,426.70/29,471,678.59 = 11,012,847.72/x
  3. Step 3: Cross multiply
    19,661,426.70x = 29,471,678.59 × 11,012,847.72
  4. Step 4: Simplify right side
    19,661,426.70x = 324,567,108,364,454.31
  5. Step 5: Solve for x
    x = 324,567,108,364,454.31/19,661,426.70
  6. Step 6: Final answer
    x = 16,507,810.61

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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.