Home / 12,185,742.76-16,818,177.34-7,777,371.32

Finding the Fourth Proportional to 12,185,742.76, 16,818,177.34 and 7,777,371.32

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Solution

The fourth proportional to 12,185,742.76, 16,818,177.34 and 7,777,371.32 is: 10,733,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,185,742.76 : 16,818,177.34 = 7,777,371.32 : x
  2. Step 2: Convert to fraction form
    12,185,742.76/16,818,177.34 = 7,777,371.32/x
  3. Step 3: Cross multiply
    12,185,742.76x = 16,818,177.34 × 7,777,371.32
  4. Step 4: Simplify right side
    12,185,742.76x = 130,801,210,036,493.92
  5. Step 5: Solve for x
    x = 130,801,210,036,493.92/12,185,742.76
  6. Step 6: Final answer
    x = 10,733,954.64

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1.5x scale

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.