Home / 13,575,044.97-18,733,931.58-7,380,508.47

Finding the Fourth Proportional to 13,575,044.97, 18,733,931.58 and 7,380,508.47

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Solution

The fourth proportional to 13,575,044.97, 18,733,931.58 and 7,380,508.47 is: 10,185,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,044.97 : 18,733,931.58 = 7,380,508.47 : x
  2. Step 2: Convert to fraction form
    13,575,044.97/18,733,931.58 = 7,380,508.47/x
  3. Step 3: Cross multiply
    13,575,044.97x = 18,733,931.58 × 7,380,508.47
  4. Step 4: Simplify right side
    13,575,044.97x = 138,265,940,702,590.47
  5. Step 5: Solve for x
    x = 138,265,940,702,590.47/13,575,044.97
  6. Step 6: Final answer
    x = 10,185,302.59

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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.