Home / 12,133,141.80-18,176,093.10-6,732,126.60

Finding the Fourth Proportional to 12,133,141.80, 18,176,093.10 and 6,732,126.60

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Solution

The fourth proportional to 12,133,141.80, 18,176,093.10 and 6,732,126.60 is: 10,085,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133,141.80 : 18,176,093.10 = 6,732,126.60 : x
  2. Step 2: Convert to fraction form
    12,133,141.80/18,176,093.10 = 6,732,126.60/x
  3. Step 3: Cross multiply
    12,133,141.80x = 18,176,093.10 × 6,732,126.60
  4. Step 4: Simplify right side
    12,133,141.80x = 122,363,759,842,586.47
  5. Step 5: Solve for x
    x = 122,363,759,842,586.47/12,133,141.80
  6. Step 6: Final answer
    x = 10,085,084.46

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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.