Home / 13,117,576.48-19,636,008.30-8,558,809.12

Finding the Fourth Proportional to 13,117,576.48, 19,636,008.30 and 8,558,809.12

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Solution

The fourth proportional to 13,117,576.48, 19,636,008.30 and 8,558,809.12 is: 12,811,882.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,576.48 : 19,636,008.30 = 8,558,809.12 : x
  2. Step 2: Convert to fraction form
    13,117,576.48/19,636,008.30 = 8,558,809.12/x
  3. Step 3: Cross multiply
    13,117,576.48x = 19,636,008.30 × 8,558,809.12
  4. Step 4: Simplify right side
    13,117,576.48x = 168,060,846,918,435.69
  5. Step 5: Solve for x
    x = 168,060,846,918,435.69/13,117,576.48
  6. Step 6: Final answer
    x = 12,811,882.38

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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.