Home / 18,713,894.40-28,080,172.80-10,633,075.20

Finding the Fourth Proportional to 18,713,894.40, 28,080,172.80 and 10,633,075.20

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Solution

The fourth proportional to 18,713,894.40, 28,080,172.80 and 10,633,075.20 is: 15,954,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713,894.40 : 28,080,172.80 = 10,633,075.20 : x
  2. Step 2: Convert to fraction form
    18,713,894.40/28,080,172.80 = 10,633,075.20/x
  3. Step 3: Cross multiply
    18,713,894.40x = 28,080,172.80 × 10,633,075.20
  4. Step 4: Simplify right side
    18,713,894.40x = 298,578,589,011,394.56
  5. Step 5: Solve for x
    x = 298,578,589,011,394.56/18,713,894.40
  6. Step 6: Final answer
    x = 15,954,914.71

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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.