Home / 12,799,263.98-19,189,932.51-4,711,190.42

Finding the Fourth Proportional to 12,799,263.98, 19,189,932.51 and 4,711,190.42

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Solution

The fourth proportional to 12,799,263.98, 19,189,932.51 and 4,711,190.42 is: 7,063,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799,263.98 : 19,189,932.51 = 4,711,190.42 : x
  2. Step 2: Convert to fraction form
    12,799,263.98/19,189,932.51 = 4,711,190.42/x
  3. Step 3: Cross multiply
    12,799,263.98x = 19,189,932.51 × 4,711,190.42
  4. Step 4: Simplify right side
    12,799,263.98x = 90,407,426,201,558.56
  5. Step 5: Solve for x
    x = 90,407,426,201,558.56/12,799,263.98
  6. Step 6: Final answer
    x = 7,063,486.33

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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.