Home / 12,507,104.70-18,732,663.45-10,267,616.70

Finding the Fourth Proportional to 12,507,104.70, 18,732,663.45 and 10,267,616.70

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Solution

The fourth proportional to 12,507,104.70, 18,732,663.45 and 10,267,616.70 is: 15,378,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,104.70 : 18,732,663.45 = 10,267,616.70 : x
  2. Step 2: Convert to fraction form
    12,507,104.70/18,732,663.45 = 10,267,616.70/x
  3. Step 3: Cross multiply
    12,507,104.70x = 18,732,663.45 × 10,267,616.70
  4. Step 4: Simplify right side
    12,507,104.70x = 192,339,808,074,699.59
  5. Step 5: Solve for x
    x = 192,339,808,074,699.59/12,507,104.70
  6. Step 6: Final answer
    x = 15,378,443.91

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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.