Home / 12,884,885.72-19,285,272.06-9,472,268.84

Finding the Fourth Proportional to 12,884,885.72, 19,285,272.06 and 9,472,268.84

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Solution

The fourth proportional to 12,884,885.72, 19,285,272.06 and 9,472,268.84 is: 14,177,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,885.72 : 19,285,272.06 = 9,472,268.84 : x
  2. Step 2: Convert to fraction form
    12,884,885.72/19,285,272.06 = 9,472,268.84/x
  3. Step 3: Cross multiply
    12,884,885.72x = 19,285,272.06 × 9,472,268.84
  4. Step 4: Simplify right side
    12,884,885.72x = 182,675,281,604,860.59
  5. Step 5: Solve for x
    x = 182,675,281,604,860.59/12,884,885.72
  6. Step 6: Final answer
    x = 14,177,485.59

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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.