Home / 13,057,409.87-18,000,234.35-9,124,957.15

Finding the Fourth Proportional to 13,057,409.87, 18,000,234.35 and 9,124,957.15

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Solution

The fourth proportional to 13,057,409.87, 18,000,234.35 and 9,124,957.15 is: 12,579,169.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,409.87 : 18,000,234.35 = 9,124,957.15 : x
  2. Step 2: Convert to fraction form
    13,057,409.87/18,000,234.35 = 9,124,957.15/x
  3. Step 3: Cross multiply
    13,057,409.87x = 18,000,234.35 × 9,124,957.15
  4. Step 4: Simplify right side
    13,057,409.87x = 164,251,367,043,082.75
  5. Step 5: Solve for x
    x = 164,251,367,043,082.75/13,057,409.87
  6. Step 6: Final answer
    x = 12,579,169.12

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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.