Home / 28,452,435.59-39,260,181.93-15,891,942.53

Finding the Fourth Proportional to 28,452,435.59, 39,260,181.93 and 15,891,942.53

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Solution

The fourth proportional to 28,452,435.59, 39,260,181.93 and 15,891,942.53 is: 21,928,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452,435.59 : 39,260,181.93 = 15,891,942.53 : x
  2. Step 2: Convert to fraction form
    28,452,435.59/39,260,181.93 = 15,891,942.53/x
  3. Step 3: Cross multiply
    28,452,435.59x = 39,260,181.93 × 15,891,942.53
  4. Step 4: Simplify right side
    28,452,435.59x = 623,920,554,752,603.62
  5. Step 5: Solve for x
    x = 623,920,554,752,603.62/28,452,435.59
  6. Step 6: Final answer
    x = 21,928,546.43

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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.