Home / 13,057,529.77-18,000,399.72-9,125,076.70

Finding the Fourth Proportional to 13,057,529.77, 18,000,399.72 and 9,125,076.70

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Solution

The fourth proportional to 13,057,529.77, 18,000,399.72 and 9,125,076.70 is: 12,579,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,529.77 : 18,000,399.72 = 9,125,076.70 : x
  2. Step 2: Convert to fraction form
    13,057,529.77/18,000,399.72 = 9,125,076.70/x
  3. Step 3: Cross multiply
    13,057,529.77x = 18,000,399.72 × 9,125,076.70
  4. Step 4: Simplify right side
    13,057,529.77x = 164,255,028,075,658.50
  5. Step 5: Solve for x
    x = 164,255,028,075,658.50/13,057,529.77
  6. Step 6: Final answer
    x = 12,579,333.99

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1.5x scale

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.