Home / 8,786,109.80-13,187,037.90-7,589,383.40

Finding the Fourth Proportional to 8,786,109.80, 13,187,037.90 and 7,589,383.40

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Solution

The fourth proportional to 8,786,109.80, 13,187,037.90 and 7,589,383.40 is: 11,390,875.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786,109.80 : 13,187,037.90 = 7,589,383.40 : x
  2. Step 2: Convert to fraction form
    8,786,109.80/13,187,037.90 = 7,589,383.40/x
  3. Step 3: Cross multiply
    8,786,109.80x = 13,187,037.90 × 7,589,383.40
  4. Step 4: Simplify right side
    8,786,109.80x = 100,081,486,533,430.88
  5. Step 5: Solve for x
    x = 100,081,486,533,430.88/8,786,109.80
  6. Step 6: Final answer
    x = 11,390,875.92

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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.