Home / 18,131,751-27,200,580.72-5,353,547.40

Finding the Fourth Proportional to 18,131,751, 27,200,580.72 and 5,353,547.40

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Solution

The fourth proportional to 18,131,751, 27,200,580.72 and 5,353,547.40 is: 8,031,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,751 : 27,200,580.72 = 5,353,547.40 : x
  2. Step 2: Convert to fraction form
    18,131,751/27,200,580.72 = 5,353,547.40/x
  3. Step 3: Cross multiply
    18,131,751x = 27,200,580.72 × 5,353,547.40
  4. Step 4: Simplify right side
    18,131,751x = 145,619,598,192,046.12
  5. Step 5: Solve for x
    x = 145,619,598,192,046.12/18,131,751
  6. Step 6: Final answer
    x = 8,031,193.36

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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.