Home / 9,515,784.30-13,131,430.52-5,164,777.46

Finding the Fourth Proportional to 9,515,784.30, 13,131,430.52 and 5,164,777.46

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Solution

The fourth proportional to 9,515,784.30, 13,131,430.52 and 5,164,777.46 is: 7,127,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,784.30 : 13,131,430.52 = 5,164,777.46 : x
  2. Step 2: Convert to fraction form
    9,515,784.30/13,131,430.52 = 5,164,777.46/x
  3. Step 3: Cross multiply
    9,515,784.30x = 13,131,430.52 × 5,164,777.46
  4. Step 4: Simplify right side
    9,515,784.30x = 67,820,916,275,771.05
  5. Step 5: Solve for x
    x = 67,820,916,275,771.05/9,515,784.30
  6. Step 6: Final answer
    x = 7,127,201.93

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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.