Home / 13,043,139.20-19,564,708.80-11,846,412.80

Finding the Fourth Proportional to 13,043,139.20, 19,564,708.80 and 11,846,412.80

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Solution

The fourth proportional to 13,043,139.20, 19,564,708.80 and 11,846,412.80 is: 17,769,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043,139.20 : 19,564,708.80 = 11,846,412.80 : x
  2. Step 2: Convert to fraction form
    13,043,139.20/19,564,708.80 = 11,846,412.80/x
  3. Step 3: Cross multiply
    13,043,139.20x = 19,564,708.80 × 11,846,412.80
  4. Step 4: Simplify right side
    13,043,139.20x = 231,771,616,756,592.66
  5. Step 5: Solve for x
    x = 231,771,616,756,592.66/13,043,139.20
  6. Step 6: Final answer
    x = 17,769,619.20

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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.