Home / 28,595,514.91-42,869,164.32-12,409,272.76

Finding the Fourth Proportional to 28,595,514.91, 42,869,164.32 and 12,409,272.76

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Solution

The fourth proportional to 28,595,514.91, 42,869,164.32 and 12,409,272.76 is: 18,603,447.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595,514.91 : 42,869,164.32 = 12,409,272.76 : x
  2. Step 2: Convert to fraction form
    28,595,514.91/42,869,164.32 = 12,409,272.76/x
  3. Step 3: Cross multiply
    28,595,514.91x = 42,869,164.32 × 12,409,272.76
  4. Step 4: Simplify right side
    28,595,514.91x = 531,975,153,040,139.94
  5. Step 5: Solve for x
    x = 531,975,153,040,139.94/28,595,514.91
  6. Step 6: Final answer
    x = 18,603,447.24

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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.