Home / 8,111,543.81-11,182,004.58-6,174,430.43

Finding the Fourth Proportional to 8,111,543.81, 11,182,004.58 and 6,174,430.43

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Solution

The fourth proportional to 8,111,543.81, 11,182,004.58 and 6,174,430.43 is: 8,511,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111,543.81 : 11,182,004.58 = 6,174,430.43 : x
  2. Step 2: Convert to fraction form
    8,111,543.81/11,182,004.58 = 6,174,430.43/x
  3. Step 3: Cross multiply
    8,111,543.81x = 11,182,004.58 × 6,174,430.43
  4. Step 4: Simplify right side
    8,111,543.81x = 69,042,509,291,241.34
  5. Step 5: Solve for x
    x = 69,042,509,291,241.34/8,111,543.81
  6. Step 6: Final answer
    x = 8,511,636.13

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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.