Home / 28,510,219.84-39,376,578.48-19,326,919.36

Finding the Fourth Proportional to 28,510,219.84, 39,376,578.48 and 19,326,919.36

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Solution

The fourth proportional to 28,510,219.84, 39,376,578.48 and 19,326,919.36 is: 26,693,163.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,219.84 : 39,376,578.48 = 19,326,919.36 : x
  2. Step 2: Convert to fraction form
    28,510,219.84/39,376,578.48 = 19,326,919.36/x
  3. Step 3: Cross multiply
    28,510,219.84x = 39,376,578.48 × 19,326,919.36
  4. Step 4: Simplify right side
    28,510,219.84x = 761,027,956,955,671.25
  5. Step 5: Solve for x
    x = 761,027,956,955,671.25/28,510,219.84
  6. Step 6: Final answer
    x = 26,693,163.41

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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.