Home / 28,393,431.20-42,573,124.62-13,021,467.46

Finding the Fourth Proportional to 28,393,431.20, 42,573,124.62 and 13,021,467.46

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Solution

The fourth proportional to 28,393,431.20, 42,573,124.62 and 13,021,467.46 is: 19,524,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393,431.20 : 42,573,124.62 = 13,021,467.46 : x
  2. Step 2: Convert to fraction form
    28,393,431.20/42,573,124.62 = 13,021,467.46/x
  3. Step 3: Cross multiply
    28,393,431.20x = 42,573,124.62 × 13,021,467.46
  4. Step 4: Simplify right side
    28,393,431.20x = 554,364,556,909,854.88
  5. Step 5: Solve for x
    x = 554,364,556,909,854.88/28,393,431.20
  6. Step 6: Final answer
    x = 19,524,394.67

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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.