Home / 9,515,201.90-13,130,991.58-5,164,288.25

Finding the Fourth Proportional to 9,515,201.90, 13,130,991.58 and 5,164,288.25

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Solution

The fourth proportional to 9,515,201.90, 13,130,991.58 and 5,164,288.25 is: 7,126,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,201.90 : 13,130,991.58 = 5,164,288.25 : x
  2. Step 2: Convert to fraction form
    9,515,201.90/13,130,991.58 = 5,164,288.25/x
  3. Step 3: Cross multiply
    9,515,201.90x = 13,130,991.58 × 5,164,288.25
  4. Step 4: Simplify right side
    9,515,201.90x = 67,812,225,527,442.94
  5. Step 5: Solve for x
    x = 67,812,225,527,442.94/9,515,201.90
  6. Step 6: Final answer
    x = 7,126,724.82

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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.