Home / 13,295,955.60-19,959,679.80-7,543,270.80

Finding the Fourth Proportional to 13,295,955.60, 19,959,679.80 and 7,543,270.80

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Solution

The fourth proportional to 13,295,955.60, 19,959,679.80 and 7,543,270.80 is: 11,323,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295,955.60 : 19,959,679.80 = 7,543,270.80 : x
  2. Step 2: Convert to fraction form
    13,295,955.60/19,959,679.80 = 7,543,270.80/x
  3. Step 3: Cross multiply
    13,295,955.60x = 19,959,679.80 × 7,543,270.80
  4. Step 4: Simplify right side
    13,295,955.60x = 150,561,269,812,689.84
  5. Step 5: Solve for x
    x = 150,561,269,812,689.84/13,295,955.60
  6. Step 6: Final answer
    x = 11,323,839.70

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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.