Home / 28,004,714.80-42,007,072.20-6,729,578.80

Finding the Fourth Proportional to 28,004,714.80, 42,007,072.20 and 6,729,578.80

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Solution

The fourth proportional to 28,004,714.80, 42,007,072.20 and 6,729,578.80 is: 10,094,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004,714.80 : 42,007,072.20 = 6,729,578.80 : x
  2. Step 2: Convert to fraction form
    28,004,714.80/42,007,072.20 = 6,729,578.80/x
  3. Step 3: Cross multiply
    28,004,714.80x = 42,007,072.20 × 6,729,578.80
  4. Step 4: Simplify right side
    28,004,714.80x = 282,689,902,527,189.38
  5. Step 5: Solve for x
    x = 282,689,902,527,189.38/28,004,714.80
  6. Step 6: Final answer
    x = 10,094,368.20

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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.