Home / 7,832,128.70-11,748,176.82-4,418,865.80

Finding the Fourth Proportional to 7,832,128.70, 11,748,176.82 and 4,418,865.80

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Solution

The fourth proportional to 7,832,128.70, 11,748,176.82 and 4,418,865.80 is: 6,628,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832,128.70 : 11,748,176.82 = 4,418,865.80 : x
  2. Step 2: Convert to fraction form
    7,832,128.70/11,748,176.82 = 4,418,865.80/x
  3. Step 3: Cross multiply
    7,832,128.70x = 11,748,176.82 × 4,418,865.80
  4. Step 4: Simplify right side
    7,832,128.70x = 51,913,616,762,250.76
  5. Step 5: Solve for x
    x = 51,913,616,762,250.76/7,832,128.70
  6. Step 6: Final answer
    x = 6,628,289.54

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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.