Home / 10,679,538.95-16,020,055.64-5,286,741.39

Finding the Fourth Proportional to 10,679,538.95, 16,020,055.64 and 5,286,741.39

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Solution

The fourth proportional to 10,679,538.95, 16,020,055.64 and 5,286,741.39 is: 7,930,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679,538.95 : 16,020,055.64 = 5,286,741.39 : x
  2. Step 2: Convert to fraction form
    10,679,538.95/16,020,055.64 = 5,286,741.39/x
  3. Step 3: Cross multiply
    10,679,538.95x = 16,020,055.64 × 5,286,741.39
  4. Step 4: Simplify right side
    10,679,538.95x = 84,693,891,195,657.22
  5. Step 5: Solve for x
    x = 84,693,891,195,657.22/10,679,538.95
  6. Step 6: Final answer
    x = 7,930,481.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.