Home / 10,421,813.16-15,632,126.82-3,135,117.96

Finding the Fourth Proportional to 10,421,813.16, 15,632,126.82 and 3,135,117.96

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Solution

The fourth proportional to 10,421,813.16, 15,632,126.82 and 3,135,117.96 is: 4,702,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421,813.16 : 15,632,126.82 = 3,135,117.96 : x
  2. Step 2: Convert to fraction form
    10,421,813.16/15,632,126.82 = 3,135,117.96/x
  3. Step 3: Cross multiply
    10,421,813.16x = 15,632,126.82 × 3,135,117.96
  4. Step 4: Simplify right side
    10,421,813.16x = 49,008,561,546,379.69
  5. Step 5: Solve for x
    x = 49,008,561,546,379.69/10,421,813.16
  6. Step 6: Final answer
    x = 4,702,498.58

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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.