Home / 28,097,999.20-42,148,165.20-8,928,215.20

Finding the Fourth Proportional to 28,097,999.20, 42,148,165.20 and 8,928,215.20

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Solution

The fourth proportional to 28,097,999.20, 42,148,165.20 and 8,928,215.20 is: 13,392,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097,999.20 : 42,148,165.20 = 8,928,215.20 : x
  2. Step 2: Convert to fraction form
    28,097,999.20/42,148,165.20 = 8,928,215.20/x
  3. Step 3: Cross multiply
    28,097,999.20x = 42,148,165.20 × 8,928,215.20
  4. Step 4: Simplify right side
    28,097,999.20x = 376,307,889,190,751.06
  5. Step 5: Solve for x
    x = 376,307,889,190,751.06/28,097,999.20
  6. Step 6: Final answer
    x = 13,392,693.43

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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.