Home / 15,134,052.72-20,885,433.89-8,258,977.65

Finding the Fourth Proportional to 15,134,052.72, 20,885,433.89 and 8,258,977.65

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Solution

The fourth proportional to 15,134,052.72, 20,885,433.89 and 8,258,977.65 is: 11,397,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,052.72 : 20,885,433.89 = 8,258,977.65 : x
  2. Step 2: Convert to fraction form
    15,134,052.72/20,885,433.89 = 8,258,977.65/x
  3. Step 3: Cross multiply
    15,134,052.72x = 20,885,433.89 × 8,258,977.65
  4. Step 4: Simplify right side
    15,134,052.72x = 172,492,331,666,767.69
  5. Step 5: Solve for x
    x = 172,492,331,666,767.69/15,134,052.72
  6. Step 6: Final answer
    x = 11,397,629.89

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