Home / 15,404,347.67-21,258,664.46-8,528,829.73

Finding the Fourth Proportional to 15,404,347.67, 21,258,664.46 and 8,528,829.73

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Solution

The fourth proportional to 15,404,347.67, 21,258,664.46 and 8,528,829.73 is: 11,770,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,347.67 : 21,258,664.46 = 8,528,829.73 : x
  2. Step 2: Convert to fraction form
    15,404,347.67/21,258,664.46 = 8,528,829.73/x
  3. Step 3: Cross multiply
    15,404,347.67x = 21,258,664.46 × 8,528,829.73
  4. Step 4: Simplify right side
    15,404,347.67x = 181,311,529,466,542.41
  5. Step 5: Solve for x
    x = 181,311,529,466,542.41/15,404,347.67
  6. Step 6: Final answer
    x = 11,770,153.03

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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.