Home / 28,230,828.45-42,348,266.73-11,819,598.27

Finding the Fourth Proportional to 28,230,828.45, 42,348,266.73 and 11,819,598.27

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Solution

The fourth proportional to 28,230,828.45, 42,348,266.73 and 11,819,598.27 is: 17,730,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230,828.45 : 42,348,266.73 = 11,819,598.27 : x
  2. Step 2: Convert to fraction form
    28,230,828.45/42,348,266.73 = 11,819,598.27/x
  3. Step 3: Cross multiply
    28,230,828.45x = 42,348,266.73 × 11,819,598.27
  4. Step 4: Simplify right side
    28,230,828.45x = 500,539,500,179,406.50
  5. Step 5: Solve for x
    x = 500,539,500,179,406.50/28,230,828.45
  6. Step 6: Final answer
    x = 17,730,244.83

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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.