Home / 28,293,401.25-39,044,894.13-15,416,345.25

Finding the Fourth Proportional to 28,293,401.25, 39,044,894.13 and 15,416,345.25

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Solution

The fourth proportional to 28,293,401.25, 39,044,894.13 and 15,416,345.25 is: 21,274,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,401.25 : 39,044,894.13 = 15,416,345.25 : x
  2. Step 2: Convert to fraction form
    28,293,401.25/39,044,894.13 = 15,416,345.25/x
  3. Step 3: Cross multiply
    28,293,401.25x = 39,044,894.13 × 15,416,345.25
  4. Step 4: Simplify right side
    28,293,401.25x = 601,929,568,157,778.38
  5. Step 5: Solve for x
    x = 601,929,568,157,778.38/28,293,401.25
  6. Step 6: Final answer
    x = 21,274,556.67

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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.