Home / 13,511,437.70-18,645,091.18-7,399,734.98

Finding the Fourth Proportional to 13,511,437.70, 18,645,091.18 and 7,399,734.98

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Solution

The fourth proportional to 13,511,437.70, 18,645,091.18 and 7,399,734.98 is: 10,211,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,437.70 : 18,645,091.18 = 7,399,734.98 : x
  2. Step 2: Convert to fraction form
    13,511,437.70/18,645,091.18 = 7,399,734.98/x
  3. Step 3: Cross multiply
    13,511,437.70x = 18,645,091.18 × 7,399,734.98
  4. Step 4: Simplify right side
    13,511,437.70x = 137,968,733,298,210.66
  5. Step 5: Solve for x
    x = 137,968,733,298,210.66/13,511,437.70
  6. Step 6: Final answer
    x = 10,211,254.82

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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.