Home / 12,384,305.15-18,576,457.73-5,200,994.30

Finding the Fourth Proportional to 12,384,305.15, 18,576,457.73 and 5,200,994.30

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Solution

The fourth proportional to 12,384,305.15, 18,576,457.73 and 5,200,994.30 is: 7,801,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,305.15 : 18,576,457.73 = 5,200,994.30 : x
  2. Step 2: Convert to fraction form
    12,384,305.15/18,576,457.73 = 5,200,994.30/x
  3. Step 3: Cross multiply
    12,384,305.15x = 18,576,457.73 × 5,200,994.30
  4. Step 4: Simplify right side
    12,384,305.15x = 96,616,050,767,920.94
  5. Step 5: Solve for x
    x = 96,616,050,767,920.94/12,384,305.15
  6. Step 6: Final answer
    x = 7,801,491.45

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Similar ratio
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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.