Home / 13,777,007.20-20,654,313.36-4,807,857.76

Finding the Fourth Proportional to 13,777,007.20, 20,654,313.36 and 4,807,857.76

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Solution

The fourth proportional to 13,777,007.20, 20,654,313.36 and 4,807,857.76 is: 7,207,878.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777,007.20 : 20,654,313.36 = 4,807,857.76 : x
  2. Step 2: Convert to fraction form
    13,777,007.20/20,654,313.36 = 4,807,857.76/x
  3. Step 3: Cross multiply
    13,777,007.20x = 20,654,313.36 × 4,807,857.76
  4. Step 4: Simplify right side
    13,777,007.20x = 99,303,000,765,347.67
  5. Step 5: Solve for x
    x = 99,303,000,765,347.67/13,777,007.20
  6. Step 6: Final answer
    x = 7,207,878.99

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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.