Home / 11,810,140.80-17,715,211.20-5,838,172.80

Finding the Fourth Proportional to 11,810,140.80, 17,715,211.20 and 5,838,172.80

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Solution

The fourth proportional to 11,810,140.80, 17,715,211.20 and 5,838,172.80 is: 8,757,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810,140.80 : 17,715,211.20 = 5,838,172.80 : x
  2. Step 2: Convert to fraction form
    11,810,140.80/17,715,211.20 = 5,838,172.80/x
  3. Step 3: Cross multiply
    11,810,140.80x = 17,715,211.20 × 5,838,172.80
  4. Step 4: Simplify right side
    11,810,140.80x = 103,424,464,174,095.36
  5. Step 5: Solve for x
    x = 103,424,464,174,095.36/11,810,140.80
  6. Step 6: Final answer
    x = 8,757,259.20

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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.