Home / 19,009,609.60-28,514,414.40-11,451,337.60

Finding the Fourth Proportional to 19,009,609.60, 28,514,414.40 and 11,451,337.60

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Solution

The fourth proportional to 19,009,609.60, 28,514,414.40 and 11,451,337.60 is: 17,177,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,609.60 : 28,514,414.40 = 11,451,337.60 : x
  2. Step 2: Convert to fraction form
    19,009,609.60/28,514,414.40 = 11,451,337.60/x
  3. Step 3: Cross multiply
    19,009,609.60x = 28,514,414.40 × 11,451,337.60
  4. Step 4: Simplify right side
    19,009,609.60x = 326,528,185,760,701.44
  5. Step 5: Solve for x
    x = 326,528,185,760,701.44/19,009,609.60
  6. Step 6: Final answer
    x = 17,177,006.40

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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.