Home / 19,207,931.80-28,802,048.10-5,743,010.20

Finding the Fourth Proportional to 19,207,931.80, 28,802,048.10 and 5,743,010.20

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Solution

The fourth proportional to 19,207,931.80, 28,802,048.10 and 5,743,010.20 is: 8,611,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207,931.80 : 28,802,048.10 = 5,743,010.20 : x
  2. Step 2: Convert to fraction form
    19,207,931.80/28,802,048.10 = 5,743,010.20/x
  3. Step 3: Cross multiply
    19,207,931.80x = 28,802,048.10 × 5,743,010.20
  4. Step 4: Simplify right side
    19,207,931.80x = 165,410,456,019,190.62
  5. Step 5: Solve for x
    x = 165,410,456,019,190.62/19,207,931.80
  6. Step 6: Final answer
    x = 8,611,570.35

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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.