Home / 9,841,678.70-13,581,910.25-5,491,145.21

Finding the Fourth Proportional to 9,841,678.70, 13,581,910.25 and 5,491,145.21

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Solution

The fourth proportional to 9,841,678.70, 13,581,910.25 and 5,491,145.21 is: 7,578,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841,678.70 : 13,581,910.25 = 5,491,145.21 : x
  2. Step 2: Convert to fraction form
    9,841,678.70/13,581,910.25 = 5,491,145.21/x
  3. Step 3: Cross multiply
    9,841,678.70x = 13,581,910.25 × 5,491,145.21
  4. Step 4: Simplify right side
    9,841,678.70x = 74,580,241,316,572.12
  5. Step 5: Solve for x
    x = 74,580,241,316,572.12/9,841,678.70
  6. Step 6: Final answer
    x = 7,578,000.02

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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.