Home / 12,643,738.23-18,965,608.13-3,059,116.77

Finding the Fourth Proportional to 12,643,738.23, 18,965,608.13 and 3,059,116.77

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Solution

The fourth proportional to 12,643,738.23, 18,965,608.13 and 3,059,116.77 is: 4,588,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,738.23 : 18,965,608.13 = 3,059,116.77 : x
  2. Step 2: Convert to fraction form
    12,643,738.23/18,965,608.13 = 3,059,116.77/x
  3. Step 3: Cross multiply
    12,643,738.23x = 18,965,608.13 × 3,059,116.77
  4. Step 4: Simplify right side
    12,643,738.23x = 58,018,009,883,731.34
  5. Step 5: Solve for x
    x = 58,018,009,883,731.34/12,643,738.23
  6. Step 6: Final answer
    x = 4,588,675.34

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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.