Home / 27,857,849.70-38,441,959.11-15,467,302.80

Finding the Fourth Proportional to 27,857,849.70, 38,441,959.11 and 15,467,302.80

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Solution

The fourth proportional to 27,857,849.70, 38,441,959.11 and 15,467,302.80 is: 21,343,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,857,849.70 : 38,441,959.11 = 15,467,302.80 : x
  2. Step 2: Convert to fraction form
    27,857,849.70/38,441,959.11 = 15,467,302.80/x
  3. Step 3: Cross multiply
    27,857,849.70x = 38,441,959.11 × 15,467,302.80
  4. Step 4: Simplify right side
    27,857,849.70x = 594,593,421,779,588.50
  5. Step 5: Solve for x
    x = 594,593,421,779,588.50/27,857,849.70
  6. Step 6: Final answer
    x = 21,343,837.67

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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.