Home / 10,200,961.72-14,077,325.82-5,617,271.80

Finding the Fourth Proportional to 10,200,961.72, 14,077,325.82 and 5,617,271.80

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Solution

The fourth proportional to 10,200,961.72, 14,077,325.82 and 5,617,271.80 is: 7,751,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200,961.72 : 14,077,325.82 = 5,617,271.80 : x
  2. Step 2: Convert to fraction form
    10,200,961.72/14,077,325.82 = 5,617,271.80/x
  3. Step 3: Cross multiply
    10,200,961.72x = 14,077,325.82 × 5,617,271.80
  4. Step 4: Simplify right side
    10,200,961.72x = 79,076,165,348,097.88
  5. Step 5: Solve for x
    x = 79,076,165,348,097.88/10,200,961.72
  6. Step 6: Final answer
    x = 7,751,834.34

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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.