Home / 8,731,349-13,105,960.84-7,210,185.20

Finding the Fourth Proportional to 8,731,349, 13,105,960.84 and 7,210,185.20

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Solution

The fourth proportional to 8,731,349, 13,105,960.84 and 7,210,185.20 is: 10,822,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,349 : 13,105,960.84 = 7,210,185.20 : x
  2. Step 2: Convert to fraction form
    8,731,349/13,105,960.84 = 7,210,185.20/x
  3. Step 3: Cross multiply
    8,731,349x = 13,105,960.84 × 7,210,185.20
  4. Step 4: Simplify right side
    8,731,349x = 94,496,404,880,347.56
  5. Step 5: Solve for x
    x = 94,496,404,880,347.56/8,731,349
  6. Step 6: Final answer
    x = 10,822,658.09

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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.