Home / 28,985,442.46-39,999,674.80-15,932,562.59

Finding the Fourth Proportional to 28,985,442.46, 39,999,674.80 and 15,932,562.59

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Solution

The fourth proportional to 28,985,442.46, 39,999,674.80 and 15,932,562.59 is: 21,986,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985,442.46 : 39,999,674.80 = 15,932,562.59 : x
  2. Step 2: Convert to fraction form
    28,985,442.46/39,999,674.80 = 15,932,562.59/x
  3. Step 3: Cross multiply
    28,985,442.46x = 39,999,674.80 × 15,932,562.59
  4. Step 4: Simplify right side
    28,985,442.46x = 637,297,322,330,645.62
  5. Step 5: Solve for x
    x = 637,297,322,330,645.62/28,985,442.46
  6. Step 6: Final answer
    x = 21,986,806.76

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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.