Home / 10,457,863.20-15,686,794.80-7,056,640.80

Finding the Fourth Proportional to 10,457,863.20, 15,686,794.80 and 7,056,640.80

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Solution

The fourth proportional to 10,457,863.20, 15,686,794.80 and 7,056,640.80 is: 10,584,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457,863.20 : 15,686,794.80 = 7,056,640.80 : x
  2. Step 2: Convert to fraction form
    10,457,863.20/15,686,794.80 = 7,056,640.80/x
  3. Step 3: Cross multiply
    10,457,863.20x = 15,686,794.80 × 7,056,640.80
  4. Step 4: Simplify right side
    10,457,863.20x = 110,696,076,206,907.84
  5. Step 5: Solve for x
    x = 110,696,076,206,907.84/10,457,863.20
  6. Step 6: Final answer
    x = 10,584,961.20

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Double scale
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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.