Home / 13,642,971.33-18,827,256.33-7,448,094.62

Finding the Fourth Proportional to 13,642,971.33, 18,827,256.33 and 7,448,094.62

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Solution

The fourth proportional to 13,642,971.33, 18,827,256.33 and 7,448,094.62 is: 10,278,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,971.33 : 18,827,256.33 = 7,448,094.62 : x
  2. Step 2: Convert to fraction form
    13,642,971.33/18,827,256.33 = 7,448,094.62/x
  3. Step 3: Cross multiply
    13,642,971.33x = 18,827,256.33 × 7,448,094.62
  4. Step 4: Simplify right side
    13,642,971.33x = 140,227,186,486,697.66
  5. Step 5: Solve for x
    x = 140,227,186,486,697.66/13,642,971.33
  6. Step 6: Final answer
    x = 10,278,346.49

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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.