Home / 12,168,965.25-16,788,253.73-7,009,563.33

Finding the Fourth Proportional to 12,168,965.25, 16,788,253.73 and 7,009,563.33

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Solution

The fourth proportional to 12,168,965.25, 16,788,253.73 and 7,009,563.33 is: 9,670,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,965.25 : 16,788,253.73 = 7,009,563.33 : x
  2. Step 2: Convert to fraction form
    12,168,965.25/16,788,253.73 = 7,009,563.33/x
  3. Step 3: Cross multiply
    12,168,965.25x = 16,788,253.73 × 7,009,563.33
  4. Step 4: Simplify right side
    12,168,965.25x = 117,678,327,685,495.92
  5. Step 5: Solve for x
    x = 117,678,327,685,495.92/12,168,965.25
  6. Step 6: Final answer
    x = 9,670,364.35

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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.