Home / 28,510,219.78-39,376,578.40-19,326,919.30

Finding the Fourth Proportional to 28,510,219.78, 39,376,578.40 and 19,326,919.30

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Solution

The fourth proportional to 28,510,219.78, 39,376,578.40 and 19,326,919.30 is: 26,693,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,219.78 : 39,376,578.40 = 19,326,919.30 : x
  2. Step 2: Convert to fraction form
    28,510,219.78/39,376,578.40 = 19,326,919.30/x
  3. Step 3: Cross multiply
    28,510,219.78x = 39,376,578.40 × 19,326,919.30
  4. Step 4: Simplify right side
    28,510,219.78x = 761,027,952,900,164.38
  5. Step 5: Solve for x
    x = 761,027,952,900,164.38/28,510,219.78
  6. Step 6: Final answer
    x = 26,693,163.32

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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.