Home / 39,116,269.56-53,977,749.68-21,711,245.52

Finding the Fourth Proportional to 39,116,269.56, 53,977,749.68 and 21,711,245.52

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Solution

The fourth proportional to 39,116,269.56, 53,977,749.68 and 21,711,245.52 is: 29,960,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,116,269.56 : 53,977,749.68 = 21,711,245.52 : x
  2. Step 2: Convert to fraction form
    39,116,269.56/53,977,749.68 = 21,711,245.52/x
  3. Step 3: Cross multiply
    39,116,269.56x = 53,977,749.68 × 21,711,245.52
  4. Step 4: Simplify right side
    39,116,269.56x = 1,171,924,175,919,581.50
  5. Step 5: Solve for x
    x = 1,171,924,175,919,581.50/39,116,269.56
  6. Step 6: Final answer
    x = 29,960,018.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.