Home / 11,139,954.28-16,706,529.72-7,703,781.80

Finding the Fourth Proportional to 11,139,954.28, 16,706,529.72 and 7,703,781.80

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Solution

The fourth proportional to 11,139,954.28, 16,706,529.72 and 7,703,781.80 is: 11,553,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139,954.28 : 16,706,529.72 = 7,703,781.80 : x
  2. Step 2: Convert to fraction form
    11,139,954.28/16,706,529.72 = 7,703,781.80/x
  3. Step 3: Cross multiply
    11,139,954.28x = 16,706,529.72 × 7,703,781.80
  4. Step 4: Simplify right side
    11,139,954.28x = 128,703,459,598,095.09
  5. Step 5: Solve for x
    x = 128,703,459,598,095.09/11,139,954.28
  6. Step 6: Final answer
    x = 11,553,320.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.