Home / 12,145,347.84-16,753,944.96-7,789,586.88

Finding the Fourth Proportional to 12,145,347.84, 16,753,944.96 and 7,789,586.88

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Solution

The fourth proportional to 12,145,347.84, 16,753,944.96 and 7,789,586.88 is: 10,745,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,347.84 : 16,753,944.96 = 7,789,586.88 : x
  2. Step 2: Convert to fraction form
    12,145,347.84/16,753,944.96 = 7,789,586.88/x
  3. Step 3: Cross multiply
    12,145,347.84x = 16,753,944.96 × 7,789,586.88
  4. Step 4: Simplify right side
    12,145,347.84x = 130,506,309,848,658.12
  5. Step 5: Solve for x
    x = 130,506,309,848,658.12/12,145,347.84
  6. Step 6: Final answer
    x = 10,745,374.41

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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.