Home / 18,477,793.91-25,499,520.74-10,218,411.85

Finding the Fourth Proportional to 18,477,793.91, 25,499,520.74 and 10,218,411.85

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Solution

The fourth proportional to 18,477,793.91, 25,499,520.74 and 10,218,411.85 is: 14,101,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,793.91 : 25,499,520.74 = 10,218,411.85 : x
  2. Step 2: Convert to fraction form
    18,477,793.91/25,499,520.74 = 10,218,411.85/x
  3. Step 3: Cross multiply
    18,477,793.91x = 25,499,520.74 × 10,218,411.85
  4. Step 4: Simplify right side
    18,477,793.91x = 260,564,604,927,530.72
  5. Step 5: Solve for x
    x = 260,564,604,927,530.72/18,477,793.91
  6. Step 6: Final answer
    x = 14,101,499.68

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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.