Home / 13,618,596.50-18,793,510.11-7,423,507.55

Finding the Fourth Proportional to 13,618,596.50, 18,793,510.11 and 7,423,507.55

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Solution

The fourth proportional to 13,618,596.50, 18,793,510.11 and 7,423,507.55 is: 10,244,356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618,596.50 : 18,793,510.11 = 7,423,507.55 : x
  2. Step 2: Convert to fraction form
    13,618,596.50/18,793,510.11 = 7,423,507.55/x
  3. Step 3: Cross multiply
    13,618,596.50x = 18,793,510.11 × 7,423,507.55
  4. Step 4: Simplify right side
    13,618,596.50x = 139,513,764,192,586.33
  5. Step 5: Solve for x
    x = 139,513,764,192,586.33/13,618,596.50
  6. Step 6: Final answer
    x = 10,244,356.99

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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.