Home / 28,167,759.14-42,196,639.23-19,412,473.66

Finding the Fourth Proportional to 28,167,759.14, 42,196,639.23 and 19,412,473.66

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Solution

The fourth proportional to 28,167,759.14, 42,196,639.23 and 19,412,473.66 is: 29,080,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167,759.14 : 42,196,639.23 = 19,412,473.66 : x
  2. Step 2: Convert to fraction form
    28,167,759.14/42,196,639.23 = 19,412,473.66/x
  3. Step 3: Cross multiply
    28,167,759.14x = 42,196,639.23 × 19,412,473.66
  4. Step 4: Simplify right side
    28,167,759.14x = 819,141,147,592,897.62
  5. Step 5: Solve for x
    x = 819,141,147,592,897.62/28,167,759.14
  6. Step 6: Final answer
    x = 29,080,806.30

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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.