Home / 12,946,681.20-19,420,021.80-4,426,258.80

Finding the Fourth Proportional to 12,946,681.20, 19,420,021.80 and 4,426,258.80

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Solution

The fourth proportional to 12,946,681.20, 19,420,021.80 and 4,426,258.80 is: 6,639,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,681.20 : 19,420,021.80 = 4,426,258.80 : x
  2. Step 2: Convert to fraction form
    12,946,681.20/19,420,021.80 = 4,426,258.80/x
  3. Step 3: Cross multiply
    12,946,681.20x = 19,420,021.80 × 4,426,258.80
  4. Step 4: Simplify right side
    12,946,681.20x = 85,958,042,388,441.84
  5. Step 5: Solve for x
    x = 85,958,042,388,441.84/12,946,681.20
  6. Step 6: Final answer
    x = 6,639,388.20

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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.