Home / 9,515,188.36-13,130,972.91-5,164,274.72

Finding the Fourth Proportional to 9,515,188.36, 13,130,972.91 and 5,164,274.72

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Solution

The fourth proportional to 9,515,188.36, 13,130,972.91 and 5,164,274.72 is: 7,126,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,188.36 : 13,130,972.91 = 5,164,274.72 : x
  2. Step 2: Convert to fraction form
    9,515,188.36/13,130,972.91 = 5,164,274.72/x
  3. Step 3: Cross multiply
    9,515,188.36x = 13,130,972.91 × 5,164,274.72
  4. Step 4: Simplify right side
    9,515,188.36x = 67,811,951,500,311.30
  5. Step 5: Solve for x
    x = 67,811,951,500,311.30/9,515,188.36
  6. Step 6: Final answer
    x = 7,126,706.16

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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.