Home / 9,515,383.20-13,130,895.42-5,164,382.34

Finding the Fourth Proportional to 9,515,383.20, 13,130,895.42 and 5,164,382.34

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Solution

The fourth proportional to 9,515,383.20, 13,130,895.42 and 5,164,382.34 is: 7,126,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,383.20 : 13,130,895.42 = 5,164,382.34 : x
  2. Step 2: Convert to fraction form
    9,515,383.20/13,130,895.42 = 5,164,382.34/x
  3. Step 3: Cross multiply
    9,515,383.20x = 13,130,895.42 × 5,164,382.34
  4. Step 4: Simplify right side
    9,515,383.20x = 67,812,964,415,434.88
  5. Step 5: Solve for x
    x = 67,812,964,415,434.88/9,515,383.20
  6. Step 6: Final answer
    x = 7,126,666.68

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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.