Home / 15,189,459.19-20,961,650.51-8,313,793.63

Finding the Fourth Proportional to 15,189,459.19, 20,961,650.51 and 8,313,793.63

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Solution

The fourth proportional to 15,189,459.19, 20,961,650.51 and 8,313,793.63 is: 11,473,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189,459.19 : 20,961,650.51 = 8,313,793.63 : x
  2. Step 2: Convert to fraction form
    15,189,459.19/20,961,650.51 = 8,313,793.63/x
  3. Step 3: Cross multiply
    15,189,459.19x = 20,961,650.51 × 8,313,793.63
  4. Step 4: Simplify right side
    15,189,459.19x = 174,270,836,421,527.88
  5. Step 5: Solve for x
    x = 174,270,836,421,527.88/15,189,459.19
  6. Step 6: Final answer
    x = 11,473,142.94

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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.