Home / 20,743,718.36-28,625,581.07-11,451,088.98

Finding the Fourth Proportional to 20,743,718.36, 28,625,581.07 and 11,451,088.98

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Solution

The fourth proportional to 20,743,718.36, 28,625,581.07 and 11,451,088.98 is: 15,802,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,718.36 : 28,625,581.07 = 11,451,088.98 : x
  2. Step 2: Convert to fraction form
    20,743,718.36/28,625,581.07 = 11,451,088.98/x
  3. Step 3: Cross multiply
    20,743,718.36x = 28,625,581.07 × 11,451,088.98
  4. Step 4: Simplify right side
    20,743,718.36x = 327,794,075,815,113.88
  5. Step 5: Solve for x
    x = 327,794,075,815,113.88/20,743,718.36
  6. Step 6: Final answer
    x = 15,802,088.62

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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.