Home / 13,117,778.44-18,102,559.08-7,316,935.90

Finding the Fourth Proportional to 13,117,778.44, 18,102,559.08 and 7,316,935.90

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Solution

The fourth proportional to 13,117,778.44, 18,102,559.08 and 7,316,935.90 is: 10,097,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,778.44 : 18,102,559.08 = 7,316,935.90 : x
  2. Step 2: Convert to fraction form
    13,117,778.44/18,102,559.08 = 7,316,935.90/x
  3. Step 3: Cross multiply
    13,117,778.44x = 18,102,559.08 × 7,316,935.90
  4. Step 4: Simplify right side
    13,117,778.44x = 132,455,264,414,322.97
  5. Step 5: Solve for x
    x = 132,455,264,414,322.97/13,117,778.44
  6. Step 6: Final answer
    x = 10,097,385.39

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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.