Home / 17,872,489.56-26,820,062.97-7,637,420.67

Finding the Fourth Proportional to 17,872,489.56, 26,820,062.97 and 7,637,420.67

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Solution

The fourth proportional to 17,872,489.56, 26,820,062.97 and 7,637,420.67 is: 11,460,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872,489.56 : 26,820,062.97 = 7,637,420.67 : x
  2. Step 2: Convert to fraction form
    17,872,489.56/26,820,062.97 = 7,637,420.67/x
  3. Step 3: Cross multiply
    17,872,489.56x = 26,820,062.97 × 7,637,420.67
  4. Step 4: Simplify right side
    17,872,489.56x = 204,836,103,297,779.59
  5. Step 5: Solve for x
    x = 204,836,103,297,779.59/17,872,489.56
  6. Step 6: Final answer
    x = 11,460,972.05

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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.