Home / 13,443,325.80-20,164,988.70-11,763,709.80

Finding the Fourth Proportional to 13,443,325.80, 20,164,988.70 and 11,763,709.80

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Solution

The fourth proportional to 13,443,325.80, 20,164,988.70 and 11,763,709.80 is: 17,645,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,325.80 : 20,164,988.70 = 11,763,709.80 : x
  2. Step 2: Convert to fraction form
    13,443,325.80/20,164,988.70 = 11,763,709.80/x
  3. Step 3: Cross multiply
    13,443,325.80x = 20,164,988.70 × 11,763,709.80
  4. Step 4: Simplify right side
    13,443,325.80x = 237,215,075,187,079.28
  5. Step 5: Solve for x
    x = 237,215,075,187,079.28/13,443,325.80
  6. Step 6: Final answer
    x = 17,645,564.70

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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.