Home / 8,512,812.12-11,747,930-4,645,582.48

Finding the Fourth Proportional to 8,512,812.12, 11,747,930 and 4,645,582.48

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Solution

The fourth proportional to 8,512,812.12, 11,747,930 and 4,645,582.48 is: 6,411,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,812.12 : 11,747,930 = 4,645,582.48 : x
  2. Step 2: Convert to fraction form
    8,512,812.12/11,747,930 = 4,645,582.48/x
  3. Step 3: Cross multiply
    8,512,812.12x = 11,747,930 × 4,645,582.48
  4. Step 4: Simplify right side
    8,512,812.12x = 54,575,977,784,266.41
  5. Step 5: Solve for x
    x = 54,575,977,784,266.41/8,512,812.12
  6. Step 6: Final answer
    x = 6,411,039.86

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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.