Home / 13,989,996.96-19,306,239.48-8,110,777.20

Finding the Fourth Proportional to 13,989,996.96, 19,306,239.48 and 8,110,777.20

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Solution

The fourth proportional to 13,989,996.96, 19,306,239.48 and 8,110,777.20 is: 11,192,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,996.96 : 19,306,239.48 = 8,110,777.20 : x
  2. Step 2: Convert to fraction form
    13,989,996.96/19,306,239.48 = 8,110,777.20/x
  3. Step 3: Cross multiply
    13,989,996.96x = 19,306,239.48 × 8,110,777.20
  4. Step 4: Simplify right side
    13,989,996.96x = 156,588,606,992,123.88
  5. Step 5: Solve for x
    x = 156,588,606,992,123.88/13,989,996.96
  6. Step 6: Final answer
    x = 11,192,897.86

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1.5x scale

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.