Home / 13,110,738.30-18,092,894.67-7,309,881.18

Finding the Fourth Proportional to 13,110,738.30, 18,092,894.67 and 7,309,881.18

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Solution

The fourth proportional to 13,110,738.30, 18,092,894.67 and 7,309,881.18 is: 10,087,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110,738.30 : 18,092,894.67 = 7,309,881.18 : x
  2. Step 2: Convert to fraction form
    13,110,738.30/18,092,894.67 = 7,309,881.18/x
  3. Step 3: Cross multiply
    13,110,738.30x = 18,092,894.67 × 7,309,881.18
  4. Step 4: Simplify right side
    13,110,738.30x = 132,256,910,239,955.31
  5. Step 5: Solve for x
    x = 132,256,910,239,955.31/13,110,738.30
  6. Step 6: Final answer
    x = 10,087,678.30

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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.