Home / 12,659,000.70-18,989,019.45-3,683,552.70

Finding the Fourth Proportional to 12,659,000.70, 18,989,019.45 and 3,683,552.70

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Solution

The fourth proportional to 12,659,000.70, 18,989,019.45 and 3,683,552.70 is: 5,525,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,000.70 : 18,989,019.45 = 3,683,552.70 : x
  2. Step 2: Convert to fraction form
    12,659,000.70/18,989,019.45 = 3,683,552.70/x
  3. Step 3: Cross multiply
    12,659,000.70x = 18,989,019.45 × 3,683,552.70
  4. Step 4: Simplify right side
    12,659,000.70x = 69,947,053,865,400.02
  5. Step 5: Solve for x
    x = 69,947,053,865,400.02/12,659,000.70
  6. Step 6: Final answer
    x = 5,525,479.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.