Home / 28,878,384.87-39,851,029.22-17,269,030.71

Finding the Fourth Proportional to 28,878,384.87, 39,851,029.22 and 17,269,030.71

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Solution

The fourth proportional to 28,878,384.87, 39,851,029.22 and 17,269,030.71 is: 23,830,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878,384.87 : 39,851,029.22 = 17,269,030.71 : x
  2. Step 2: Convert to fraction form
    28,878,384.87/39,851,029.22 = 17,269,030.71/x
  3. Step 3: Cross multiply
    28,878,384.87x = 39,851,029.22 × 17,269,030.71
  4. Step 4: Simplify right side
    28,878,384.87x = 688,188,647,338,942.25
  5. Step 5: Solve for x
    x = 688,188,647,338,942.25/28,878,384.87
  6. Step 6: Final answer
    x = 23,830,579.53

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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.