Home / 15,324,666.48-21,148,176.60-8,449,395.12

Finding the Fourth Proportional to 15,324,666.48, 21,148,176.60 and 8,449,395.12

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Solution

The fourth proportional to 15,324,666.48, 21,148,176.60 and 8,449,395.12 is: 11,660,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324,666.48 : 21,148,176.60 = 8,449,395.12 : x
  2. Step 2: Convert to fraction form
    15,324,666.48/21,148,176.60 = 8,449,395.12/x
  3. Step 3: Cross multiply
    15,324,666.48x = 21,148,176.60 × 8,449,395.12
  4. Step 4: Simplify right side
    15,324,666.48x = 178,689,300,160,938.19
  5. Step 5: Solve for x
    x = 178,689,300,160,938.19/15,324,666.48
  6. Step 6: Final answer
    x = 11,660,240.72

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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.