Home / 12,513,780.52-17,269,017.12-6,790,644.52

Finding the Fourth Proportional to 12,513,780.52, 17,269,017.12 and 6,790,644.52

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Solution

The fourth proportional to 12,513,780.52, 17,269,017.12 and 6,790,644.52 is: 9,371,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,780.52 : 17,269,017.12 = 6,790,644.52 : x
  2. Step 2: Convert to fraction form
    12,513,780.52/17,269,017.12 = 6,790,644.52/x
  3. Step 3: Cross multiply
    12,513,780.52x = 17,269,017.12 × 6,790,644.52
  4. Step 4: Simplify right side
    12,513,780.52x = 117,267,756,471,714.19
  5. Step 5: Solve for x
    x = 117,267,756,471,714.19/12,513,780.52
  6. Step 6: Final answer
    x = 9,371,089.44

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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.