Home / 10,200,962.72-14,077,327.20-5,617,272.80

Finding the Fourth Proportional to 10,200,962.72, 14,077,327.20 and 5,617,272.80

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Solution

The fourth proportional to 10,200,962.72, 14,077,327.20 and 5,617,272.80 is: 7,751,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200,962.72 : 14,077,327.20 = 5,617,272.80 : x
  2. Step 2: Convert to fraction form
    10,200,962.72/14,077,327.20 = 5,617,272.80/x
  3. Step 3: Cross multiply
    10,200,962.72x = 14,077,327.20 × 5,617,272.80
  4. Step 4: Simplify right side
    10,200,962.72x = 79,076,187,177,260.16
  5. Step 5: Solve for x
    x = 79,076,187,177,260.16/10,200,962.72
  6. Step 6: Final answer
    x = 7,751,835.72

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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.