Home / 51,641,715-71,265,566.70-28,436,786.67

Finding the Fourth Proportional to 51,641,715, 71,265,566.70 and 28,436,786.67

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Solution

The fourth proportional to 51,641,715, 71,265,566.70 and 28,436,786.67 is: 39,242,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,641,715 : 71,265,566.70 = 28,436,786.67 : x
  2. Step 2: Convert to fraction form
    51,641,715/71,265,566.70 = 28,436,786.67/x
  3. Step 3: Cross multiply
    51,641,715x = 71,265,566.70 × 28,436,786.67
  4. Step 4: Simplify right side
    51,641,715x = 2,026,563,717,164,556
  5. Step 5: Solve for x
    x = 2,026,563,717,164,556/51,641,715
  6. Step 6: Final answer
    x = 39,242,765.60

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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.