Home / 10,679,539.95-16,020,057.14-5,286,742.39

Finding the Fourth Proportional to 10,679,539.95, 16,020,057.14 and 5,286,742.39

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Solution

The fourth proportional to 10,679,539.95, 16,020,057.14 and 5,286,742.39 is: 7,930,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679,539.95 : 16,020,057.14 = 5,286,742.39 : x
  2. Step 2: Convert to fraction form
    10,679,539.95/16,020,057.14 = 5,286,742.39/x
  3. Step 3: Cross multiply
    10,679,539.95x = 16,020,057.14 × 5,286,742.39
  4. Step 4: Simplify right side
    10,679,539.95x = 84,693,915,172,260.16
  5. Step 5: Solve for x
    x = 84,693,915,172,260.16/10,679,539.95
  6. Step 6: Final answer
    x = 7,930,483.48

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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.