Home / 12,083,810.60-18,125,715.90-6,974,978.60

Finding the Fourth Proportional to 12,083,810.60, 18,125,715.90 and 6,974,978.60

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Solution

The fourth proportional to 12,083,810.60, 18,125,715.90 and 6,974,978.60 is: 10,462,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,810.60 : 18,125,715.90 = 6,974,978.60 : x
  2. Step 2: Convert to fraction form
    12,083,810.60/18,125,715.90 = 6,974,978.60/x
  3. Step 3: Cross multiply
    12,083,810.60x = 18,125,715.90 × 6,974,978.60
  4. Step 4: Simplify right side
    12,083,810.60x = 126,426,480,512,179.72
  5. Step 5: Solve for x
    x = 126,426,480,512,179.72/12,083,810.60
  6. Step 6: Final answer
    x = 10,462,467.90

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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.