Home / 12,277,247.60-18,415,871.40-7,494,278.60

Finding the Fourth Proportional to 12,277,247.60, 18,415,871.40 and 7,494,278.60

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Solution

The fourth proportional to 12,277,247.60, 18,415,871.40 and 7,494,278.60 is: 11,241,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277,247.60 : 18,415,871.40 = 7,494,278.60 : x
  2. Step 2: Convert to fraction form
    12,277,247.60/18,415,871.40 = 7,494,278.60/x
  3. Step 3: Cross multiply
    12,277,247.60x = 18,415,871.40 × 7,494,278.60
  4. Step 4: Simplify right side
    12,277,247.60x = 138,013,670,933,372.02
  5. Step 5: Solve for x
    x = 138,013,670,933,372.02/12,277,247.60
  6. Step 6: Final answer
    x = 11,241,417.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.