Home / 12,467,443.20-18,697,276.80-4,896,729.60

Finding the Fourth Proportional to 12,467,443.20, 18,697,276.80 and 4,896,729.60

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Solution

The fourth proportional to 12,467,443.20, 18,697,276.80 and 4,896,729.60 is: 7,343,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467,443.20 : 18,697,276.80 = 4,896,729.60 : x
  2. Step 2: Convert to fraction form
    12,467,443.20/18,697,276.80 = 4,896,729.60/x
  3. Step 3: Cross multiply
    12,467,443.20x = 18,697,276.80 × 4,896,729.60
  4. Step 4: Simplify right side
    12,467,443.20x = 91,555,508,745,953.28
  5. Step 5: Solve for x
    x = 91,555,508,745,953.28/12,467,443.20
  6. Step 6: Final answer
    x = 7,343,567.34

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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.