Home / 8,320,878.20-12,456,434.10-4,953,351.80

Finding the Fourth Proportional to 8,320,878.20, 12,456,434.10 and 4,953,351.80

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Solution

The fourth proportional to 8,320,878.20, 12,456,434.10 and 4,953,351.80 is: 7,415,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,878.20 : 12,456,434.10 = 4,953,351.80 : x
  2. Step 2: Convert to fraction form
    8,320,878.20/12,456,434.10 = 4,953,351.80/x
  3. Step 3: Cross multiply
    8,320,878.20x = 12,456,434.10 × 4,953,351.80
  4. Step 4: Simplify right side
    8,320,878.20x = 61,701,100,270,816.38
  5. Step 5: Solve for x
    x = 61,701,100,270,816.38/8,320,878.20
  6. Step 6: Final answer
    x = 7,415,214.93

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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.