Home / 12,296,743.20-18,445,114.80-8,629,800.30

Finding the Fourth Proportional to 12,296,743.20, 18,445,114.80 and 8,629,800.30

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Solution

The fourth proportional to 12,296,743.20, 18,445,114.80 and 8,629,800.30 is: 12,944,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,743.20 : 18,445,114.80 = 8,629,800.30 : x
  2. Step 2: Convert to fraction form
    12,296,743.20/18,445,114.80 = 8,629,800.30/x
  3. Step 3: Cross multiply
    12,296,743.20x = 18,445,114.80 × 8,629,800.30
  4. Step 4: Simplify right side
    12,296,743.20x = 159,177,657,234,574.47
  5. Step 5: Solve for x
    x = 159,177,657,234,574.47/12,296,743.20
  6. Step 6: Final answer
    x = 12,944,700.45

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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.