Home / 13,214,256.80-19,815,480.30-5,124,543.80

Finding the Fourth Proportional to 13,214,256.80, 19,815,480.30 and 5,124,543.80

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Solution

The fourth proportional to 13,214,256.80, 19,815,480.30 and 5,124,543.80 is: 7,684,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,256.80 : 19,815,480.30 = 5,124,543.80 : x
  2. Step 2: Convert to fraction form
    13,214,256.80/19,815,480.30 = 5,124,543.80/x
  3. Step 3: Cross multiply
    13,214,256.80x = 19,815,480.30 × 5,124,543.80
  4. Step 4: Simplify right side
    13,214,256.80x = 101,545,296,715,387.14
  5. Step 5: Solve for x
    x = 101,545,296,715,387.14/13,214,256.80
  6. Step 6: Final answer
    x = 7,684,525.76

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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.