Home / 13,673,862.52-18,869,777.37-7,479,087.22

Finding the Fourth Proportional to 13,673,862.52, 18,869,777.37 and 7,479,087.22

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Solution

The fourth proportional to 13,673,862.52, 18,869,777.37 and 7,479,087.22 is: 10,321,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673,862.52 : 18,869,777.37 = 7,479,087.22 : x
  2. Step 2: Convert to fraction form
    13,673,862.52/18,869,777.37 = 7,479,087.22/x
  3. Step 3: Cross multiply
    13,673,862.52x = 18,869,777.37 × 7,479,087.22
  4. Step 4: Simplify right side
    13,673,862.52x = 141,128,710,772,212.22
  5. Step 5: Solve for x
    x = 141,128,710,772,212.22/13,673,862.52
  6. Step 6: Final answer
    x = 10,321,056.73

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1.5x scale

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.