Home / 7,884,964.80-11,827,447.20-2,205,633.60

Finding the Fourth Proportional to 7,884,964.80, 11,827,447.20 and 2,205,633.60

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Solution

The fourth proportional to 7,884,964.80, 11,827,447.20 and 2,205,633.60 is: 3,308,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,964.80 : 11,827,447.20 = 2,205,633.60 : x
  2. Step 2: Convert to fraction form
    7,884,964.80/11,827,447.20 = 2,205,633.60/x
  3. Step 3: Cross multiply
    7,884,964.80x = 11,827,447.20 × 2,205,633.60
  4. Step 4: Simplify right side
    7,884,964.80x = 26,087,014,946,545.92
  5. Step 5: Solve for x
    x = 26,087,014,946,545.92/7,884,964.80
  6. Step 6: Final answer
    x = 3,308,450.40

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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.