Home / 28,097,827.20-42,147,907.20-8,928,043.20

Finding the Fourth Proportional to 28,097,827.20, 42,147,907.20 and 8,928,043.20

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Solution

The fourth proportional to 28,097,827.20, 42,147,907.20 and 8,928,043.20 is: 13,392,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097,827.20 : 42,147,907.20 = 8,928,043.20 : x
  2. Step 2: Convert to fraction form
    28,097,827.20/42,147,907.20 = 8,928,043.20/x
  3. Step 3: Cross multiply
    28,097,827.20x = 42,147,907.20 × 8,928,043.20
  4. Step 4: Simplify right side
    28,097,827.20x = 376,298,336,271,191.06
  5. Step 5: Solve for x
    x = 376,298,336,271,191.06/28,097,827.20
  6. Step 6: Final answer
    x = 13,392,435.42

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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.