Home / 11,139,955.28-16,706,531.22-7,703,782.80

Finding the Fourth Proportional to 11,139,955.28, 16,706,531.22 and 7,703,782.80

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Solution

The fourth proportional to 11,139,955.28, 16,706,531.22 and 7,703,782.80 is: 11,553,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139,955.28 : 16,706,531.22 = 7,703,782.80 : x
  2. Step 2: Convert to fraction form
    11,139,955.28/16,706,531.22 = 7,703,782.80/x
  3. Step 3: Cross multiply
    11,139,955.28x = 16,706,531.22 × 7,703,782.80
  4. Step 4: Simplify right side
    11,139,955.28x = 128,703,487,860,299.02
  5. Step 5: Solve for x
    x = 128,703,487,860,299.02/11,139,955.28
  6. Step 6: Final answer
    x = 11,553,321.77

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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.