Home / 18,683,488.59-25,783,230.40-10,423,552.56

Finding the Fourth Proportional to 18,683,488.59, 25,783,230.40 and 10,423,552.56

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Solution

The fourth proportional to 18,683,488.59, 25,783,230.40 and 10,423,552.56 is: 14,384,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,488.59 : 25,783,230.40 = 10,423,552.56 : x
  2. Step 2: Convert to fraction form
    18,683,488.59/25,783,230.40 = 10,423,552.56/x
  3. Step 3: Cross multiply
    18,683,488.59x = 25,783,230.40 × 10,423,552.56
  4. Step 4: Simplify right side
    18,683,488.59x = 268,752,857,240,989.81
  5. Step 5: Solve for x
    x = 268,752,857,240,989.81/18,683,488.59
  6. Step 6: Final answer
    x = 14,384,511.54

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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.