Home / 14,342,949-19,793,269.62-7,904,421

Finding the Fourth Proportional to 14,342,949, 19,793,269.62 and 7,904,421

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Solution

The fourth proportional to 14,342,949, 19,793,269.62 and 7,904,421 is: 10,908,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,949 : 19,793,269.62 = 7,904,421 : x
  2. Step 2: Convert to fraction form
    14,342,949/19,793,269.62 = 7,904,421/x
  3. Step 3: Cross multiply
    14,342,949x = 19,793,269.62 × 7,904,421
  4. Step 4: Simplify right side
    14,342,949x = 156,454,336,042,990.03
  5. Step 5: Solve for x
    x = 156,454,336,042,990.03/14,342,949
  6. Step 6: Final answer
    x = 10,908,100.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.