Home / 10,042,769.44-13,859,665.68-5,632,909.12

Finding the Fourth Proportional to 10,042,769.44, 13,859,665.68 and 5,632,909.12

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Solution

The fourth proportional to 10,042,769.44, 13,859,665.68 and 5,632,909.12 is: 7,773,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042,769.44 : 13,859,665.68 = 5,632,909.12 : x
  2. Step 2: Convert to fraction form
    10,042,769.44/13,859,665.68 = 5,632,909.12/x
  3. Step 3: Cross multiply
    10,042,769.44x = 13,859,665.68 × 5,632,909.12
  4. Step 4: Simplify right side
    10,042,769.44x = 78,070,237,209,023
  5. Step 5: Solve for x
    x = 78,070,237,209,023/10,042,769.44
  6. Step 6: Final answer
    x = 7,773,775.72

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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.