Home / 18,683,487.54-25,783,228.97-10,423,551.52

Finding the Fourth Proportional to 18,683,487.54, 25,783,228.97 and 10,423,551.52

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Solution

The fourth proportional to 18,683,487.54, 25,783,228.97 and 10,423,551.52 is: 14,384,510.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,487.54 : 25,783,228.97 = 10,423,551.52 : x
  2. Step 2: Convert to fraction form
    18,683,487.54/25,783,228.97 = 10,423,551.52/x
  3. Step 3: Cross multiply
    18,683,487.54x = 25,783,228.97 × 10,423,551.52
  4. Step 4: Simplify right side
    18,683,487.54x = 268,752,815,539,951.12
  5. Step 5: Solve for x
    x = 268,752,815,539,951.12/18,683,487.54
  6. Step 6: Final answer
    x = 14,384,510.12

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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.