Home / 20,788,017.39-31,181,683.05-6,214,971.24

Finding the Fourth Proportional to 20,788,017.39, 31,181,683.05 and 6,214,971.24

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Solution

The fourth proportional to 20,788,017.39, 31,181,683.05 and 6,214,971.24 is: 9,322,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,788,017.39 : 31,181,683.05 = 6,214,971.24 : x
  2. Step 2: Convert to fraction form
    20,788,017.39/31,181,683.05 = 6,214,971.24/x
  3. Step 3: Cross multiply
    20,788,017.39x = 31,181,683.05 × 6,214,971.24
  4. Step 4: Simplify right side
    20,788,017.39x = 193,793,263,370,545.50
  5. Step 5: Solve for x
    x = 193,793,263,370,545.50/20,788,017.39
  6. Step 6: Final answer
    x = 9,322,354.30

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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.