Home / 13,598,020.28-18,765,381.28-7,403,109.68

Finding the Fourth Proportional to 13,598,020.28, 18,765,381.28 and 7,403,109.68

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Solution

The fourth proportional to 13,598,020.28, 18,765,381.28 and 7,403,109.68 is: 10,216,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598,020.28 : 18,765,381.28 = 7,403,109.68 : x
  2. Step 2: Convert to fraction form
    13,598,020.28/18,765,381.28 = 7,403,109.68/x
  3. Step 3: Cross multiply
    13,598,020.28x = 18,765,381.28 × 7,403,109.68
  4. Step 4: Simplify right side
    13,598,020.28x = 138,922,175,802,858.80
  5. Step 5: Solve for x
    x = 138,922,175,802,858.80/13,598,020.28
  6. Step 6: Final answer
    x = 10,216,353.04

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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.