Home / 12,537,667.76-17,309,339.16-9,631,348.88

Finding the Fourth Proportional to 12,537,667.76, 17,309,339.16 and 9,631,348.88

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Solution

The fourth proportional to 12,537,667.76, 17,309,339.16 and 9,631,348.88 is: 13,296,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537,667.76 : 17,309,339.16 = 9,631,348.88 : x
  2. Step 2: Convert to fraction form
    12,537,667.76/17,309,339.16 = 9,631,348.88/x
  3. Step 3: Cross multiply
    12,537,667.76x = 17,309,339.16 × 9,631,348.88
  4. Step 4: Simplify right side
    12,537,667.76x = 166,712,284,332,206.16
  5. Step 5: Solve for x
    x = 166,712,284,332,206.16/12,537,667.76
  6. Step 6: Final answer
    x = 13,296,913.55

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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.