Home / 29,720,710.19-41,019,063.21-18,124,999.80

Finding the Fourth Proportional to 29,720,710.19, 41,019,063.21 and 18,124,999.80

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Solution

The fourth proportional to 29,720,710.19, 41,019,063.21 and 18,124,999.80 is: 25,015,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,720,710.19 : 41,019,063.21 = 18,124,999.80 : x
  2. Step 2: Convert to fraction form
    29,720,710.19/41,019,063.21 = 18,124,999.80/x
  3. Step 3: Cross multiply
    29,720,710.19x = 41,019,063.21 × 18,124,999.80
  4. Step 4: Simplify right side
    29,720,710.19x = 743,470,512,477,437.38
  5. Step 5: Solve for x
    x = 743,470,512,477,437.38/29,720,710.19
  6. Step 6: Final answer
    x = 25,015,233.75

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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.