Home / 28,104,445.80-42,156,668.70-16,767,037.80

Finding the Fourth Proportional to 28,104,445.80, 42,156,668.70 and 16,767,037.80

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Solution

The fourth proportional to 28,104,445.80, 42,156,668.70 and 16,767,037.80 is: 25,150,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104,445.80 : 42,156,668.70 = 16,767,037.80 : x
  2. Step 2: Convert to fraction form
    28,104,445.80/42,156,668.70 = 16,767,037.80/x
  3. Step 3: Cross multiply
    28,104,445.80x = 42,156,668.70 × 16,767,037.80
  4. Step 4: Simplify right side
    28,104,445.80x = 706,842,457,614,977
  5. Step 5: Solve for x
    x = 706,842,457,614,977/28,104,445.80
  6. Step 6: Final answer
    x = 25,150,556.70

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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.