Home / 8,272,971.72-11,412,969.66-4,833,666.36

Finding the Fourth Proportional to 8,272,971.72, 11,412,969.66 and 4,833,666.36

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Solution

The fourth proportional to 8,272,971.72, 11,412,969.66 and 4,833,666.36 is: 6,668,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272,971.72 : 11,412,969.66 = 4,833,666.36 : x
  2. Step 2: Convert to fraction form
    8,272,971.72/11,412,969.66 = 4,833,666.36/x
  3. Step 3: Cross multiply
    8,272,971.72x = 11,412,969.66 × 4,833,666.36
  4. Step 4: Simplify right side
    8,272,971.72x = 55,166,487,513,242.64
  5. Step 5: Solve for x
    x = 55,166,487,513,242.64/8,272,971.72
  6. Step 6: Final answer
    x = 6,668,279.47

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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.