Home / 14,658,029.84-20,228,105-8,131,659.36

Finding the Fourth Proportional to 14,658,029.84, 20,228,105 and 8,131,659.36

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Solution

The fourth proportional to 14,658,029.84, 20,228,105 and 8,131,659.36 is: 11,221,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,029.84 : 20,228,105 = 8,131,659.36 : x
  2. Step 2: Convert to fraction form
    14,658,029.84/20,228,105 = 8,131,659.36/x
  3. Step 3: Cross multiply
    14,658,029.84x = 20,228,105 × 8,131,659.36
  4. Step 4: Simplify right side
    14,658,029.84x = 164,488,059,358,312.81
  5. Step 5: Solve for x
    x = 164,488,059,358,312.81/14,658,029.84
  6. Step 6: Final answer
    x = 11,221,703.13

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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.