Home / 18,682,038.45-28,021,165.61-5,036,564.19

Finding the Fourth Proportional to 18,682,038.45, 28,021,165.61 and 5,036,564.19

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Solution

The fourth proportional to 18,682,038.45, 28,021,165.61 and 5,036,564.19 is: 7,554,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,038.45 : 28,021,165.61 = 5,036,564.19 : x
  2. Step 2: Convert to fraction form
    18,682,038.45/28,021,165.61 = 5,036,564.19/x
  3. Step 3: Cross multiply
    18,682,038.45x = 28,021,165.61 × 5,036,564.19
  4. Step 4: Simplify right side
    18,682,038.45x = 141,130,399,248,202.69
  5. Step 5: Solve for x
    x = 141,130,399,248,202.69/18,682,038.45
  6. Step 6: Final answer
    x = 7,554,336.20

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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.