Home / 12,860,221.99-19,367,316.70-11,712,309.43

Finding the Fourth Proportional to 12,860,221.99, 19,367,316.70 and 11,712,309.43

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Solution

The fourth proportional to 12,860,221.99, 19,367,316.70 and 11,712,309.43 is: 17,638,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,221.99 : 19,367,316.70 = 11,712,309.43 : x
  2. Step 2: Convert to fraction form
    12,860,221.99/19,367,316.70 = 11,712,309.43/x
  3. Step 3: Cross multiply
    12,860,221.99x = 19,367,316.70 × 11,712,309.43
  4. Step 4: Simplify right side
    12,860,221.99x = 226,836,006,060,170.38
  5. Step 5: Solve for x
    x = 226,836,006,060,170.38/12,860,221.99
  6. Step 6: Final answer
    x = 17,638,576.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.