Home / 8,736,989.40-13,105,484.10-6,186,072.60

Finding the Fourth Proportional to 8,736,989.40, 13,105,484.10 and 6,186,072.60

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Solution

The fourth proportional to 8,736,989.40, 13,105,484.10 and 6,186,072.60 is: 9,279,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,989.40 : 13,105,484.10 = 6,186,072.60 : x
  2. Step 2: Convert to fraction form
    8,736,989.40/13,105,484.10 = 6,186,072.60/x
  3. Step 3: Cross multiply
    8,736,989.40x = 13,105,484.10 × 6,186,072.60
  4. Step 4: Simplify right side
    8,736,989.40x = 81,071,476,100,745.66
  5. Step 5: Solve for x
    x = 81,071,476,100,745.66/8,736,989.40
  6. Step 6: Final answer
    x = 9,279,108.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.