Home / 12,097,497.20-18,149,453.40-5,271,141.20

Finding the Fourth Proportional to 12,097,497.20, 18,149,453.40 and 5,271,141.20

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Solution

The fourth proportional to 12,097,497.20, 18,149,453.40 and 5,271,141.20 is: 7,908,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,497.20 : 18,149,453.40 = 5,271,141.20 : x
  2. Step 2: Convert to fraction form
    12,097,497.20/18,149,453.40 = 5,271,141.20/x
  3. Step 3: Cross multiply
    12,097,497.20x = 18,149,453.40 × 5,271,141.20
  4. Step 4: Simplify right side
    12,097,497.20x = 95,668,331,574,220.08
  5. Step 5: Solve for x
    x = 95,668,331,574,220.08/12,097,497.20
  6. Step 6: Final answer
    x = 7,908,109.42

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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.