Home / 18,806,720.20-28,210,080.30-6,036,389.80

Finding the Fourth Proportional to 18,806,720.20, 28,210,080.30 and 6,036,389.80

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Solution

The fourth proportional to 18,806,720.20, 28,210,080.30 and 6,036,389.80 is: 9,054,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806,720.20 : 28,210,080.30 = 6,036,389.80 : x
  2. Step 2: Convert to fraction form
    18,806,720.20/28,210,080.30 = 6,036,389.80/x
  3. Step 3: Cross multiply
    18,806,720.20x = 28,210,080.30 × 6,036,389.80
  4. Step 4: Simplify right side
    18,806,720.20x = 170,287,040,980,100.94
  5. Step 5: Solve for x
    x = 170,287,040,980,100.94/18,806,720.20
  6. Step 6: Final answer
    x = 9,054,584.70

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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.