Home / 12,151,037.16-16,760,530.80-7,793,220.96

Finding the Fourth Proportional to 12,151,037.16, 16,760,530.80 and 7,793,220.96

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Solution

The fourth proportional to 12,151,037.16, 16,760,530.80 and 7,793,220.96 is: 10,749,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,037.16 : 16,760,530.80 = 7,793,220.96 : x
  2. Step 2: Convert to fraction form
    12,151,037.16/16,760,530.80 = 7,793,220.96/x
  3. Step 3: Cross multiply
    12,151,037.16x = 16,760,530.80 × 7,793,220.96
  4. Step 4: Simplify right side
    12,151,037.16x = 130,618,519,931,285.58
  5. Step 5: Solve for x
    x = 130,618,519,931,285.58/12,151,037.16
  6. Step 6: Final answer
    x = 10,749,577.85

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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.