Home / 12,528,087.70-18,792,131.55-4,008,702.10

Finding the Fourth Proportional to 12,528,087.70, 18,792,131.55 and 4,008,702.10

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Solution

The fourth proportional to 12,528,087.70, 18,792,131.55 and 4,008,702.10 is: 6,013,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,087.70 : 18,792,131.55 = 4,008,702.10 : x
  2. Step 2: Convert to fraction form
    12,528,087.70/18,792,131.55 = 4,008,702.10/x
  3. Step 3: Cross multiply
    12,528,087.70x = 18,792,131.55 × 4,008,702.10
  4. Step 4: Simplify right side
    12,528,087.70x = 75,332,057,207,961.27
  5. Step 5: Solve for x
    x = 75,332,057,207,961.27/12,528,087.70
  6. Step 6: Final answer
    x = 6,013,053.15

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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.