Home / 13,659,533.64-20,490,102.36-5,139,943.92

Finding the Fourth Proportional to 13,659,533.64, 20,490,102.36 and 5,139,943.92

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Solution

The fourth proportional to 13,659,533.64, 20,490,102.36 and 5,139,943.92 is: 7,710,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659,533.64 : 20,490,102.36 = 5,139,943.92 : x
  2. Step 2: Convert to fraction form
    13,659,533.64/20,490,102.36 = 5,139,943.92/x
  3. Step 3: Cross multiply
    13,659,533.64x = 20,490,102.36 × 5,139,943.92
  4. Step 4: Simplify right side
    13,659,533.64x = 105,317,977,045,459.64
  5. Step 5: Solve for x
    x = 105,317,977,045,459.64/13,659,533.64
  6. Step 6: Final answer
    x = 7,710,217.63

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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.