Home / 13,223,922.76-18,250,262.34-7,716,852.52

Finding the Fourth Proportional to 13,223,922.76, 18,250,262.34 and 7,716,852.52

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Solution

The fourth proportional to 13,223,922.76, 18,250,262.34 and 7,716,852.52 is: 10,649,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,922.76 : 18,250,262.34 = 7,716,852.52 : x
  2. Step 2: Convert to fraction form
    13,223,922.76/18,250,262.34 = 7,716,852.52/x
  3. Step 3: Cross multiply
    13,223,922.76x = 18,250,262.34 × 7,716,852.52
  4. Step 4: Simplify right side
    13,223,922.76x = 140,834,582,929,090.09
  5. Step 5: Solve for x
    x = 140,834,582,929,090.09/13,223,922.76
  6. Step 6: Final answer
    x = 10,649,985.29

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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.