Home / 12,043,786.40-16,620,442.70-6,537,165.53

Finding the Fourth Proportional to 12,043,786.40, 16,620,442.70 and 6,537,165.53

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Solution

The fourth proportional to 12,043,786.40, 16,620,442.70 and 6,537,165.53 is: 9,021,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,786.40 : 16,620,442.70 = 6,537,165.53 : x
  2. Step 2: Convert to fraction form
    12,043,786.40/16,620,442.70 = 6,537,165.53/x
  3. Step 3: Cross multiply
    12,043,786.40x = 16,620,442.70 × 6,537,165.53
  4. Step 4: Simplify right side
    12,043,786.40x = 108,650,585,111,780.12
  5. Step 5: Solve for x
    x = 108,650,585,111,780.12/12,043,786.40
  6. Step 6: Final answer
    x = 9,021,297.91

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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.