Home / 8,749,998.80-13,124,998.20-6,624,234.80

Finding the Fourth Proportional to 8,749,998.80, 13,124,998.20 and 6,624,234.80

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Solution

The fourth proportional to 8,749,998.80, 13,124,998.20 and 6,624,234.80 is: 9,936,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,998.80 : 13,124,998.20 = 6,624,234.80 : x
  2. Step 2: Convert to fraction form
    8,749,998.80/13,124,998.20 = 6,624,234.80/x
  3. Step 3: Cross multiply
    8,749,998.80x = 13,124,998.20 × 6,624,234.80
  4. Step 4: Simplify right side
    8,749,998.80x = 86,943,069,826,377.36
  5. Step 5: Solve for x
    x = 86,943,069,826,377.36/8,749,998.80
  6. Step 6: Final answer
    x = 9,936,352.20

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Double scale
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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.