Home / 13,374,777.30-18,457,649.25-7,494,659.70

Finding the Fourth Proportional to 13,374,777.30, 18,457,649.25 and 7,494,659.70

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Solution

The fourth proportional to 13,374,777.30, 18,457,649.25 and 7,494,659.70 is: 10,342,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,777.30 : 18,457,649.25 = 7,494,659.70 : x
  2. Step 2: Convert to fraction form
    13,374,777.30/18,457,649.25 = 7,494,659.70/x
  3. Step 3: Cross multiply
    13,374,777.30x = 18,457,649.25 × 7,494,659.70
  4. Step 4: Simplify right side
    13,374,777.30x = 138,333,799,990,710.23
  5. Step 5: Solve for x
    x = 138,333,799,990,710.23/13,374,777.30
  6. Step 6: Final answer
    x = 10,342,886.23

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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.