Home / 12,788,523.60-19,182,785.40-9,933,176.40

Finding the Fourth Proportional to 12,788,523.60, 19,182,785.40 and 9,933,176.40

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Solution

The fourth proportional to 12,788,523.60, 19,182,785.40 and 9,933,176.40 is: 14,899,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788,523.60 : 19,182,785.40 = 9,933,176.40 : x
  2. Step 2: Convert to fraction form
    12,788,523.60/19,182,785.40 = 9,933,176.40/x
  3. Step 3: Cross multiply
    12,788,523.60x = 19,182,785.40 × 9,933,176.40
  4. Step 4: Simplify right side
    12,788,523.60x = 190,545,991,221,544.56
  5. Step 5: Solve for x
    x = 190,545,991,221,544.56/12,788,523.60
  6. Step 6: Final answer
    x = 14,899,764.60

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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.