Home / 8,273,205.80-12,409,808.70-5,585,820.20

Finding the Fourth Proportional to 8,273,205.80, 12,409,808.70 and 5,585,820.20

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Solution

The fourth proportional to 8,273,205.80, 12,409,808.70 and 5,585,820.20 is: 8,378,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273,205.80 : 12,409,808.70 = 5,585,820.20 : x
  2. Step 2: Convert to fraction form
    8,273,205.80/12,409,808.70 = 5,585,820.20/x
  3. Step 3: Cross multiply
    8,273,205.80x = 12,409,808.70 × 5,585,820.20
  4. Step 4: Simplify right side
    8,273,205.80x = 69,318,960,114,595.73
  5. Step 5: Solve for x
    x = 69,318,960,114,595.73/8,273,205.80
  6. Step 6: Final answer
    x = 8,378,730.30

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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.