Home / 21,180,661.92-31,748,874.48-10,383,012

Finding the Fourth Proportional to 21,180,661.92, 31,748,874.48 and 10,383,012

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Solution

The fourth proportional to 21,180,661.92, 31,748,874.48 and 10,383,012 is: 15,563,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,180,661.92 : 31,748,874.48 = 10,383,012 : x
  2. Step 2: Convert to fraction form
    21,180,661.92/31,748,874.48 = 10,383,012/x
  3. Step 3: Cross multiply
    21,180,661.92x = 31,748,874.48 × 10,383,012
  4. Step 4: Simplify right side
    21,180,661.92x = 329,648,944,712,333.75
  5. Step 5: Solve for x
    x = 329,648,944,712,333.75/21,180,661.92
  6. Step 6: Final answer
    x = 15,563,675.30

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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.