Home / 12,097,762.20-18,146,643.30-10,271,179.80

Finding the Fourth Proportional to 12,097,762.20, 18,146,643.30 and 10,271,179.80

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Solution

The fourth proportional to 12,097,762.20, 18,146,643.30 and 10,271,179.80 is: 15,406,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,762.20 : 18,146,643.30 = 10,271,179.80 : x
  2. Step 2: Convert to fraction form
    12,097,762.20/18,146,643.30 = 10,271,179.80/x
  3. Step 3: Cross multiply
    12,097,762.20x = 18,146,643.30 × 10,271,179.80
  4. Step 4: Simplify right side
    12,097,762.20x = 186,387,436,100,765.38
  5. Step 5: Solve for x
    x = 186,387,436,100,765.38/12,097,762.20
  6. Step 6: Final answer
    x = 15,406,769.70

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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.