Home / 12,032,157.97-16,606,500.78-7,140,077.50

Finding the Fourth Proportional to 12,032,157.97, 16,606,500.78 and 7,140,077.50

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Solution

The fourth proportional to 12,032,157.97, 16,606,500.78 and 7,140,077.50 is: 9,854,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,032,157.97 : 16,606,500.78 = 7,140,077.50 : x
  2. Step 2: Convert to fraction form
    12,032,157.97/16,606,500.78 = 7,140,077.50/x
  3. Step 3: Cross multiply
    12,032,157.97x = 16,606,500.78 × 7,140,077.50
  4. Step 4: Simplify right side
    12,032,157.97x = 118,571,702,489,977.94
  5. Step 5: Solve for x
    x = 118,571,702,489,977.94/12,032,157.97
  6. Step 6: Final answer
    x = 9,854,566.64

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1.5x scale

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.