Home / 30,890,576.70-46,338,588.45-11,460,027.78

Finding the Fourth Proportional to 30,890,576.70, 46,338,588.45 and 11,460,027.78

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Solution

The fourth proportional to 30,890,576.70, 46,338,588.45 and 11,460,027.78 is: 17,191,052.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890,576.70 : 46,338,588.45 = 11,460,027.78 : x
  2. Step 2: Convert to fraction form
    30,890,576.70/46,338,588.45 = 11,460,027.78/x
  3. Step 3: Cross multiply
    30,890,576.70x = 46,338,588.45 × 11,460,027.78
  4. Step 4: Simplify right side
    30,890,576.70x = 531,041,510,922,987.12
  5. Step 5: Solve for x
    x = 531,041,510,922,987.12/30,890,576.70
  6. Step 6: Final answer
    x = 17,191,052.02

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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.