Home / 8,461,001.72-11,664,905.12-6,724,469.72

Finding the Fourth Proportional to 8,461,001.72, 11,664,905.12 and 6,724,469.72

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Solution

The fourth proportional to 8,461,001.72, 11,664,905.12 and 6,724,469.72 is: 9,270,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461,001.72 : 11,664,905.12 = 6,724,469.72 : x
  2. Step 2: Convert to fraction form
    8,461,001.72/11,664,905.12 = 6,724,469.72/x
  3. Step 3: Cross multiply
    8,461,001.72x = 11,664,905.12 × 6,724,469.72
  4. Step 4: Simplify right side
    8,461,001.72x = 78,440,301,266,112.95
  5. Step 5: Solve for x
    x = 78,440,301,266,112.95/8,461,001.72
  6. Step 6: Final answer
    x = 9,270,805.50

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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.