Home / 28,293,528.63-42,396,975.90-19,037,215.90

Finding the Fourth Proportional to 28,293,528.63, 42,396,975.90 and 19,037,215.90

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Solution

The fourth proportional to 28,293,528.63, 42,396,975.90 and 19,037,215.90 is: 28,526,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,528.63 : 42,396,975.90 = 19,037,215.90 : x
  2. Step 2: Convert to fraction form
    28,293,528.63/42,396,975.90 = 19,037,215.90/x
  3. Step 3: Cross multiply
    28,293,528.63x = 42,396,975.90 × 19,037,215.90
  4. Step 4: Simplify right side
    28,293,528.63x = 807,120,383,768,393
  5. Step 5: Solve for x
    x = 807,120,383,768,393/28,293,528.63
  6. Step 6: Final answer
    x = 28,526,678.11

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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.