Home / 12,474,004.30-18,697,009.65-7,085,236.30

Finding the Fourth Proportional to 12,474,004.30, 18,697,009.65 and 7,085,236.30

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Solution

The fourth proportional to 12,474,004.30, 18,697,009.65 and 7,085,236.30 is: 10,619,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,004.30 : 18,697,009.65 = 7,085,236.30 : x
  2. Step 2: Convert to fraction form
    12,474,004.30/18,697,009.65 = 7,085,236.30/x
  3. Step 3: Cross multiply
    12,474,004.30x = 18,697,009.65 × 7,085,236.30
  4. Step 4: Simplify right side
    12,474,004.30x = 132,472,731,473,630.28
  5. Step 5: Solve for x
    x = 132,472,731,473,630.28/12,474,004.30
  6. Step 6: Final answer
    x = 10,619,904.27

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1.5x scale

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.