Home / 12,623,731.10-18,908,194.20-7,751,247.51

Finding the Fourth Proportional to 12,623,731.10, 18,908,194.20 and 7,751,247.51

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Solution

The fourth proportional to 12,623,731.10, 18,908,194.20 and 7,751,247.51 is: 11,610,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623,731.10 : 18,908,194.20 = 7,751,247.51 : x
  2. Step 2: Convert to fraction form
    12,623,731.10/18,908,194.20 = 7,751,247.51/x
  3. Step 3: Cross multiply
    12,623,731.10x = 18,908,194.20 × 7,751,247.51
  4. Step 4: Simplify right side
    12,623,731.10x = 146,562,093,133,526.38
  5. Step 5: Solve for x
    x = 146,562,093,133,526.38/12,623,731.10
  6. Step 6: Final answer
    x = 11,610,045.55

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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.