Home / 12,148,994.63-16,765,962.50-6,716,836.55

Finding the Fourth Proportional to 12,148,994.63, 16,765,962.50 and 6,716,836.55

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Solution

The fourth proportional to 12,148,994.63, 16,765,962.50 and 6,716,836.55 is: 9,269,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,994.63 : 16,765,962.50 = 6,716,836.55 : x
  2. Step 2: Convert to fraction form
    12,148,994.63/16,765,962.50 = 6,716,836.55/x
  3. Step 3: Cross multiply
    12,148,994.63x = 16,765,962.50 × 6,716,836.55
  4. Step 4: Simplify right side
    12,148,994.63x = 112,614,229,648,891.66
  5. Step 5: Solve for x
    x = 112,614,229,648,891.66/12,148,994.63
  6. Step 6: Final answer
    x = 9,269,427.89

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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.