Home / 12,621,009-17,416,623.06-7,114,706.76

Finding the Fourth Proportional to 12,621,009, 17,416,623.06 and 7,114,706.76

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Solution

The fourth proportional to 12,621,009, 17,416,623.06 and 7,114,706.76 is: 9,818,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,009 : 17,416,623.06 = 7,114,706.76 : x
  2. Step 2: Convert to fraction form
    12,621,009/17,416,623.06 = 7,114,706.76/x
  3. Step 3: Cross multiply
    12,621,009x = 17,416,623.06 × 7,114,706.76
  4. Step 4: Simplify right side
    12,621,009x = 123,914,165,821,353.88
  5. Step 5: Solve for x
    x = 123,914,165,821,353.88/12,621,009
  6. Step 6: Final answer
    x = 9,818,087.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.