Home / 30,020,705.46-41,448,910.23-19,017,219.78

Finding the Fourth Proportional to 30,020,705.46, 41,448,910.23 and 19,017,219.78

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Solution

The fourth proportional to 30,020,705.46, 41,448,910.23 and 19,017,219.78 is: 26,256,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020,705.46 : 41,448,910.23 = 19,017,219.78 : x
  2. Step 2: Convert to fraction form
    30,020,705.46/41,448,910.23 = 19,017,219.78/x
  3. Step 3: Cross multiply
    30,020,705.46x = 41,448,910.23 × 19,017,219.78
  4. Step 4: Simplify right side
    30,020,705.46x = 788,243,035,485,400.38
  5. Step 5: Solve for x
    x = 788,243,035,485,400.38/30,020,705.46
  6. Step 6: Final answer
    x = 26,256,645.99

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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.