Home / 12,685,589.28-19,030,744.80-5,769,566.28

Finding the Fourth Proportional to 12,685,589.28, 19,030,744.80 and 5,769,566.28

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Solution

The fourth proportional to 12,685,589.28, 19,030,744.80 and 5,769,566.28 is: 8,655,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685,589.28 : 19,030,744.80 = 5,769,566.28 : x
  2. Step 2: Convert to fraction form
    12,685,589.28/19,030,744.80 = 5,769,566.28/x
  3. Step 3: Cross multiply
    12,685,589.28x = 19,030,744.80 × 5,769,566.28
  4. Step 4: Simplify right side
    12,685,589.28x = 109,799,143,481,365.36
  5. Step 5: Solve for x
    x = 109,799,143,481,365.36/12,685,589.28
  6. Step 6: Final answer
    x = 8,655,423.18

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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.