Home / 13,659,254.94-18,850,846.35-7,779,137.77

Finding the Fourth Proportional to 13,659,254.94, 18,850,846.35 and 7,779,137.77

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Solution

The fourth proportional to 13,659,254.94, 18,850,846.35 and 7,779,137.77 is: 10,735,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659,254.94 : 18,850,846.35 = 7,779,137.77 : x
  2. Step 2: Convert to fraction form
    13,659,254.94/18,850,846.35 = 7,779,137.77/x
  3. Step 3: Cross multiply
    13,659,254.94x = 18,850,846.35 × 7,779,137.77
  4. Step 4: Simplify right side
    13,659,254.94x = 146,643,330,846,729.31
  5. Step 5: Solve for x
    x = 146,643,330,846,729.31/13,659,254.94
  6. Step 6: Final answer
    x = 10,735,822.08

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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.