Home / 12,732,743.20-19,092,548.40-3,756,128.80

Finding the Fourth Proportional to 12,732,743.20, 19,092,548.40 and 3,756,128.80

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Solution

The fourth proportional to 12,732,743.20, 19,092,548.40 and 3,756,128.80 is: 5,632,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732,743.20 : 19,092,548.40 = 3,756,128.80 : x
  2. Step 2: Convert to fraction form
    12,732,743.20/19,092,548.40 = 3,756,128.80/x
  3. Step 3: Cross multiply
    12,732,743.20x = 19,092,548.40 × 3,756,128.80
  4. Step 4: Simplify right side
    12,732,743.20x = 71,714,070,910,633.91
  5. Step 5: Solve for x
    x = 71,714,070,910,633.91/12,732,743.20
  6. Step 6: Final answer
    x = 5,632,256.13

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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.