Home / 28,852,325.76-39,815,013.78-15,799,359.77

Finding the Fourth Proportional to 28,852,325.76, 39,815,013.78 and 15,799,359.77

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Solution

The fourth proportional to 28,852,325.76, 39,815,013.78 and 15,799,359.77 is: 21,802,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852,325.76 : 39,815,013.78 = 15,799,359.77 : x
  2. Step 2: Convert to fraction form
    28,852,325.76/39,815,013.78 = 15,799,359.77/x
  3. Step 3: Cross multiply
    28,852,325.76x = 39,815,013.78 × 15,799,359.77
  4. Step 4: Simplify right side
    28,852,325.76x = 629,051,726,907,958.88
  5. Step 5: Solve for x
    x = 629,051,726,907,958.88/28,852,325.76
  6. Step 6: Final answer
    x = 21,802,461.68

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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.