Home / 19,144,865.40-28,717,298.10-7,793,460.60

Finding the Fourth Proportional to 19,144,865.40, 28,717,298.10 and 7,793,460.60

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Solution

The fourth proportional to 19,144,865.40, 28,717,298.10 and 7,793,460.60 is: 11,690,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144,865.40 : 28,717,298.10 = 7,793,460.60 : x
  2. Step 2: Convert to fraction form
    19,144,865.40/28,717,298.10 = 7,793,460.60/x
  3. Step 3: Cross multiply
    19,144,865.40x = 28,717,298.10 × 7,793,460.60
  4. Step 4: Simplify right side
    19,144,865.40x = 223,807,131,280,804.88
  5. Step 5: Solve for x
    x = 223,807,131,280,804.88/19,144,865.40
  6. Step 6: Final answer
    x = 11,690,190.90

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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.