Home / 12,003,623.55-18,005,408.64-9,275,138.40

Finding the Fourth Proportional to 12,003,623.55, 18,005,408.64 and 9,275,138.40

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Solution

The fourth proportional to 12,003,623.55, 18,005,408.64 and 9,275,138.40 is: 13,912,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,623.55 : 18,005,408.64 = 9,275,138.40 : x
  2. Step 2: Convert to fraction form
    12,003,623.55/18,005,408.64 = 9,275,138.40/x
  3. Step 3: Cross multiply
    12,003,623.55x = 18,005,408.64 × 9,275,138.40
  4. Step 4: Simplify right side
    12,003,623.55x = 167,002,657,084,555.78
  5. Step 5: Solve for x
    x = 167,002,657,084,555.78/12,003,623.55
  6. Step 6: Final answer
    x = 13,912,686.98

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1.5x scale

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.