Home / 12,640,259.49-17,443,434.09-6,838,913.94

Finding the Fourth Proportional to 12,640,259.49, 17,443,434.09 and 6,838,913.94

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Solution

The fourth proportional to 12,640,259.49, 17,443,434.09 and 6,838,913.94 is: 9,437,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640,259.49 : 17,443,434.09 = 6,838,913.94 : x
  2. Step 2: Convert to fraction form
    12,640,259.49/17,443,434.09 = 6,838,913.94/x
  3. Step 3: Cross multiply
    12,640,259.49x = 17,443,434.09 × 6,838,913.94
  4. Step 4: Simplify right side
    12,640,259.49x = 119,294,144,481,336.39
  5. Step 5: Solve for x
    x = 119,294,144,481,336.39/12,640,259.49
  6. Step 6: Final answer
    x = 9,437,634.14

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Double scale
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1.5x scale

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.