Home / 16,798,519.80-25,197,779.70-13,439,287.80

Finding the Fourth Proportional to 16,798,519.80, 25,197,779.70 and 13,439,287.80

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Solution

The fourth proportional to 16,798,519.80, 25,197,779.70 and 13,439,287.80 is: 20,158,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798,519.80 : 25,197,779.70 = 13,439,287.80 : x
  2. Step 2: Convert to fraction form
    16,798,519.80/25,197,779.70 = 13,439,287.80/x
  3. Step 3: Cross multiply
    16,798,519.80x = 25,197,779.70 × 13,439,287.80
  4. Step 4: Simplify right side
    16,798,519.80x = 338,640,213,309,297.69
  5. Step 5: Solve for x
    x = 338,640,213,309,297.69/16,798,519.80
  6. Step 6: Final answer
    x = 20,158,931.70

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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.