Home / 18,881,900.20-28,301,855.10-8,097,365.80

Finding the Fourth Proportional to 18,881,900.20, 28,301,855.10 and 8,097,365.80

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Solution

The fourth proportional to 18,881,900.20, 28,301,855.10 and 8,097,365.80 is: 12,137,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881,900.20 : 28,301,855.10 = 8,097,365.80 : x
  2. Step 2: Convert to fraction form
    18,881,900.20/28,301,855.10 = 8,097,365.80/x
  3. Step 3: Cross multiply
    18,881,900.20x = 28,301,855.10 × 8,097,365.80
  4. Step 4: Simplify right side
    18,881,900.20x = 229,170,473,563,295.59
  5. Step 5: Solve for x
    x = 229,170,473,563,295.59/18,881,900.20
  6. Step 6: Final answer
    x = 12,137,045.06

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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.