Home / 13,575,040.47-18,733,925.38-7,380,503.98

Finding the Fourth Proportional to 13,575,040.47, 18,733,925.38 and 7,380,503.98

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Solution

The fourth proportional to 13,575,040.47, 18,733,925.38 and 7,380,503.98 is: 10,185,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,040.47 : 18,733,925.38 = 7,380,503.98 : x
  2. Step 2: Convert to fraction form
    13,575,040.47/18,733,925.38 = 7,380,503.98/x
  3. Step 3: Cross multiply
    13,575,040.47x = 18,733,925.38 × 7,380,503.98
  4. Step 4: Simplify right side
    13,575,040.47x = 138,265,810,882,043.72
  5. Step 5: Solve for x
    x = 138,265,810,882,043.72/13,575,040.47
  6. Step 6: Final answer
    x = 10,185,296.41

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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.