Home / 18,263,136.96-25,196,116.91-10,423,084.82

Finding the Fourth Proportional to 18,263,136.96, 25,196,116.91 and 10,423,084.82

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Solution

The fourth proportional to 18,263,136.96, 25,196,116.91 and 10,423,084.82 is: 14,379,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263,136.96 : 25,196,116.91 = 10,423,084.82 : x
  2. Step 2: Convert to fraction form
    18,263,136.96/25,196,116.91 = 10,423,084.82/x
  3. Step 3: Cross multiply
    18,263,136.96x = 25,196,116.91 × 10,423,084.82
  4. Step 4: Simplify right side
    18,263,136.96x = 262,621,263,687,566.31
  5. Step 5: Solve for x
    x = 262,621,263,687,566.31/18,263,136.96
  6. Step 6: Final answer
    x = 14,379,855.13

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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.