Home / 12,127,885.58-16,736,221.22-6,620,992.25

Finding the Fourth Proportional to 12,127,885.58, 16,736,221.22 and 6,620,992.25

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Solution

The fourth proportional to 12,127,885.58, 16,736,221.22 and 6,620,992.25 is: 9,136,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,885.58 : 16,736,221.22 = 6,620,992.25 : x
  2. Step 2: Convert to fraction form
    12,127,885.58/16,736,221.22 = 6,620,992.25/x
  3. Step 3: Cross multiply
    12,127,885.58x = 16,736,221.22 × 6,620,992.25
  4. Step 4: Simplify right side
    12,127,885.58x = 110,810,390,875,119.48
  5. Step 5: Solve for x
    x = 110,810,390,875,119.48/12,127,885.58
  6. Step 6: Final answer
    x = 9,136,826.87

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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.