Home / 28,823,478.40-39,776,105.28-15,946,514.56

Finding the Fourth Proportional to 28,823,478.40, 39,776,105.28 and 15,946,514.56

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Solution

The fourth proportional to 28,823,478.40, 39,776,105.28 and 15,946,514.56 is: 22,006,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823,478.40 : 39,776,105.28 = 15,946,514.56 : x
  2. Step 2: Convert to fraction form
    28,823,478.40/39,776,105.28 = 15,946,514.56/x
  3. Step 3: Cross multiply
    28,823,478.40x = 39,776,105.28 × 15,946,514.56
  4. Step 4: Simplify right side
    28,823,478.40x = 634,290,241,987,612.88
  5. Step 5: Solve for x
    x = 634,290,241,987,612.88/28,823,478.40
  6. Step 6: Final answer
    x = 22,006,026.93

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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.