Home / 18,435,315.15-27,654,301.33-7,075,763.78

Finding the Fourth Proportional to 18,435,315.15, 27,654,301.33 and 7,075,763.78

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Solution

The fourth proportional to 18,435,315.15, 27,654,301.33 and 7,075,763.78 is: 10,614,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435,315.15 : 27,654,301.33 = 7,075,763.78 : x
  2. Step 2: Convert to fraction form
    18,435,315.15/27,654,301.33 = 7,075,763.78/x
  3. Step 3: Cross multiply
    18,435,315.15x = 27,654,301.33 × 7,075,763.78
  4. Step 4: Simplify right side
    18,435,315.15x = 195,675,303,556,058.94
  5. Step 5: Solve for x
    x = 195,675,303,556,058.94/18,435,315.15
  6. Step 6: Final answer
    x = 10,614,155.60

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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.