Home / 12,633,673.49-17,434,638.68-7,127,031.32

Finding the Fourth Proportional to 12,633,673.49, 17,434,638.68 and 7,127,031.32

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Solution

The fourth proportional to 12,633,673.49, 17,434,638.68 and 7,127,031.32 is: 9,835,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633,673.49 : 17,434,638.68 = 7,127,031.32 : x
  2. Step 2: Convert to fraction form
    12,633,673.49/17,434,638.68 = 7,127,031.32/x
  3. Step 3: Cross multiply
    12,633,673.49x = 17,434,638.68 × 7,127,031.32
  4. Step 4: Simplify right side
    12,633,673.49x = 124,257,215,925,243.45
  5. Step 5: Solve for x
    x = 124,257,215,925,243.45/12,633,673.49
  6. Step 6: Final answer
    x = 9,835,398.71

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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.