Home / 8,697,940.20-13,046,910.30-5,105,428.20

Finding the Fourth Proportional to 8,697,940.20, 13,046,910.30 and 5,105,428.20

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Solution

The fourth proportional to 8,697,940.20, 13,046,910.30 and 5,105,428.20 is: 7,658,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,940.20 : 13,046,910.30 = 5,105,428.20 : x
  2. Step 2: Convert to fraction form
    8,697,940.20/13,046,910.30 = 5,105,428.20/x
  3. Step 3: Cross multiply
    8,697,940.20x = 13,046,910.30 × 5,105,428.20
  4. Step 4: Simplify right side
    8,697,940.20x = 66,610,063,768,490.47
  5. Step 5: Solve for x
    x = 66,610,063,768,490.47/8,697,940.20
  6. Step 6: Final answer
    x = 7,658,142.30

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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.