Home / 8,870,640.10-13,305,960.15-7,974,844.90

Finding the Fourth Proportional to 8,870,640.10, 13,305,960.15 and 7,974,844.90

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Solution

The fourth proportional to 8,870,640.10, 13,305,960.15 and 7,974,844.90 is: 11,962,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,640.10 : 13,305,960.15 = 7,974,844.90 : x
  2. Step 2: Convert to fraction form
    8,870,640.10/13,305,960.15 = 7,974,844.90/x
  3. Step 3: Cross multiply
    8,870,640.10x = 13,305,960.15 × 7,974,844.90
  4. Step 4: Simplify right side
    8,870,640.10x = 106,112,968,441,830.75
  5. Step 5: Solve for x
    x = 106,112,968,441,830.75/8,870,640.10
  6. Step 6: Final answer
    x = 11,962,267.35

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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.