Home / 43,634,179.88-65,452,266.12-12,928,182.76

Finding the Fourth Proportional to 43,634,179.88, 65,452,266.12 and 12,928,182.76

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Solution

The fourth proportional to 43,634,179.88, 65,452,266.12 and 12,928,182.76 is: 19,392,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,634,179.88 : 65,452,266.12 = 12,928,182.76 : x
  2. Step 2: Convert to fraction form
    43,634,179.88/65,452,266.12 = 12,928,182.76/x
  3. Step 3: Cross multiply
    43,634,179.88x = 65,452,266.12 × 12,928,182.76
  4. Step 4: Simplify right side
    43,634,179.88x = 846,178,858,455,516
  5. Step 5: Solve for x
    x = 846,178,858,455,516/43,634,179.88
  6. Step 6: Final answer
    x = 19,392,569.33

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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.