Home / 11,405,864.54-15,739,491.21-6,510,891.98

Finding the Fourth Proportional to 11,405,864.54, 15,739,491.21 and 6,510,891.98

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Solution

The fourth proportional to 11,405,864.54, 15,739,491.21 and 6,510,891.98 is: 8,984,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405,864.54 : 15,739,491.21 = 6,510,891.98 : x
  2. Step 2: Convert to fraction form
    11,405,864.54/15,739,491.21 = 6,510,891.98/x
  3. Step 3: Cross multiply
    11,405,864.54x = 15,739,491.21 × 6,510,891.98
  4. Step 4: Simplify right side
    11,405,864.54x = 102,478,127,103,402.38
  5. Step 5: Solve for x
    x = 102,478,127,103,402.38/11,405,864.54
  6. Step 6: Final answer
    x = 8,984,687.37

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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.