Home / 28,040,065.83-38,695,344.40-15,481,144.77

Finding the Fourth Proportional to 28,040,065.83, 38,695,344.40 and 15,481,144.77

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Solution

The fourth proportional to 28,040,065.83, 38,695,344.40 and 15,481,144.77 is: 21,364,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040,065.83 : 38,695,344.40 = 15,481,144.77 : x
  2. Step 2: Convert to fraction form
    28,040,065.83/38,695,344.40 = 15,481,144.77/x
  3. Step 3: Cross multiply
    28,040,065.83x = 38,695,344.40 × 15,481,144.77
  4. Step 4: Simplify right side
    28,040,065.83x = 599,048,228,581,408.75
  5. Step 5: Solve for x
    x = 599,048,228,581,408.75/28,040,065.83
  6. Step 6: Final answer
    x = 21,364,009.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.