Home / 30,232,636.70-41,720,640.21-17,001,809.69

Finding the Fourth Proportional to 30,232,636.70, 41,720,640.21 and 17,001,809.69

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Solution

The fourth proportional to 30,232,636.70, 41,720,640.21 and 17,001,809.69 is: 23,462,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232,636.70 : 41,720,640.21 = 17,001,809.69 : x
  2. Step 2: Convert to fraction form
    30,232,636.70/41,720,640.21 = 17,001,809.69/x
  3. Step 3: Cross multiply
    30,232,636.70x = 41,720,640.21 × 17,001,809.69
  4. Step 4: Simplify right side
    30,232,636.70x = 709,326,384,786,778.38
  5. Step 5: Solve for x
    x = 709,326,384,786,778.38/30,232,636.70
  6. Step 6: Final answer
    x = 23,462,273.30

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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.