Home / 8,200,400.80-12,307,599.60-3,658,439.20

Finding the Fourth Proportional to 8,200,400.80, 12,307,599.60 and 3,658,439.20

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Solution

The fourth proportional to 8,200,400.80, 12,307,599.60 and 3,658,439.20 is: 5,490,780.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200,400.80 : 12,307,599.60 = 3,658,439.20 : x
  2. Step 2: Convert to fraction form
    8,200,400.80/12,307,599.60 = 3,658,439.20/x
  3. Step 3: Cross multiply
    8,200,400.80x = 12,307,599.60 × 3,658,439.20
  4. Step 4: Simplify right side
    8,200,400.80x = 45,026,604,834,544.32
  5. Step 5: Solve for x
    x = 45,026,604,834,544.32/8,200,400.80
  6. Step 6: Final answer
    x = 5,490,780.99

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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.