Home / 51,786,509.88-71,465,031.57-28,581,636.16

Finding the Fourth Proportional to 51,786,509.88, 71,465,031.57 and 28,581,636.16

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Solution

The fourth proportional to 51,786,509.88, 71,465,031.57 and 28,581,636.16 is: 39,442,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786,509.88 : 71,465,031.57 = 28,581,636.16 : x
  2. Step 2: Convert to fraction form
    51,786,509.88/71,465,031.57 = 28,581,636.16/x
  3. Step 3: Cross multiply
    51,786,509.88x = 71,465,031.57 × 28,581,636.16
  4. Step 4: Simplify right side
    51,786,509.88x = 2,042,587,530,496,653.50
  5. Step 5: Solve for x
    x = 2,042,587,530,496,653.50/51,786,509.88
  6. Step 6: Final answer
    x = 39,442,463.59

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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.