Home / 10,985,531.88-16,487,784.54-7,622,100.84

Finding the Fourth Proportional to 10,985,531.88, 16,487,784.54 and 7,622,100.84

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Solution

The fourth proportional to 10,985,531.88, 16,487,784.54 and 7,622,100.84 is: 11,439,733.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,531.88 : 16,487,784.54 = 7,622,100.84 : x
  2. Step 2: Convert to fraction form
    10,985,531.88/16,487,784.54 = 7,622,100.84/x
  3. Step 3: Cross multiply
    10,985,531.88x = 16,487,784.54 × 7,622,100.84
  4. Step 4: Simplify right side
    10,985,531.88x = 125,671,556,392,073
  5. Step 5: Solve for x
    x = 125,671,556,392,073/10,985,531.88
  6. Step 6: Final answer
    x = 11,439,733.44

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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.