Home / 8,159,588.80-12,239,383.20-8,109,822.40

Finding the Fourth Proportional to 8,159,588.80, 12,239,383.20 and 8,109,822.40

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Solution

The fourth proportional to 8,159,588.80, 12,239,383.20 and 8,109,822.40 is: 12,164,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159,588.80 : 12,239,383.20 = 8,109,822.40 : x
  2. Step 2: Convert to fraction form
    8,159,588.80/12,239,383.20 = 8,109,822.40/x
  3. Step 3: Cross multiply
    8,159,588.80x = 12,239,383.20 × 8,109,822.40
  4. Step 4: Simplify right side
    8,159,588.80x = 99,259,224,037,543.67
  5. Step 5: Solve for x
    x = 99,259,224,037,543.67/8,159,588.80
  6. Step 6: Final answer
    x = 12,164,733.60

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1.5x scale

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.