Home / 40,732,905.70-61,099,358.55-13,443,410.35

Finding the Fourth Proportional to 40,732,905.70, 61,099,358.55 and 13,443,410.35

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Solution

The fourth proportional to 40,732,905.70, 61,099,358.55 and 13,443,410.35 is: 20,165,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,732,905.70 : 61,099,358.55 = 13,443,410.35 : x
  2. Step 2: Convert to fraction form
    40,732,905.70/61,099,358.55 = 13,443,410.35/x
  3. Step 3: Cross multiply
    40,732,905.70x = 61,099,358.55 × 13,443,410.35
  4. Step 4: Simplify right side
    40,732,905.70x = 821,383,749,109,430.88
  5. Step 5: Solve for x
    x = 821,383,749,109,430.88/40,732,905.70
  6. Step 6: Final answer
    x = 20,165,115.53

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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.