Home / 12,289,917.12-16,955,355.36-7,698,244.80

Finding the Fourth Proportional to 12,289,917.12, 16,955,355.36 and 7,698,244.80

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Solution

The fourth proportional to 12,289,917.12, 16,955,355.36 and 7,698,244.80 is: 10,620,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,917.12 : 16,955,355.36 = 7,698,244.80 : x
  2. Step 2: Convert to fraction form
    12,289,917.12/16,955,355.36 = 7,698,244.80/x
  3. Step 3: Cross multiply
    12,289,917.12x = 16,955,355.36 × 7,698,244.80
  4. Step 4: Simplify right side
    12,289,917.12x = 130,526,476,232,272.12
  5. Step 5: Solve for x
    x = 130,526,476,232,272.12/12,289,917.12
  6. Step 6: Final answer
    x = 10,620,614.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.