Home / 13,704,420.76-20,548,663.16-5,185,414.24

Finding the Fourth Proportional to 13,704,420.76, 20,548,663.16 and 5,185,414.24

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Solution

The fourth proportional to 13,704,420.76, 20,548,663.16 and 5,185,414.24 is: 7,775,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704,420.76 : 20,548,663.16 = 5,185,414.24 : x
  2. Step 2: Convert to fraction form
    13,704,420.76/20,548,663.16 = 5,185,414.24/x
  3. Step 3: Cross multiply
    13,704,420.76x = 20,548,663.16 × 5,185,414.24
  4. Step 4: Simplify right side
    13,704,420.76x = 106,553,330,562,827.41
  5. Step 5: Solve for x
    x = 106,553,330,562,827.41/13,704,420.76
  6. Step 6: Final answer
    x = 7,775,106.47

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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.