Home / 8,403,266.80-12,604,900.20-2,420,239.60

Finding the Fourth Proportional to 8,403,266.80, 12,604,900.20 and 2,420,239.60

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Solution

The fourth proportional to 8,403,266.80, 12,604,900.20 and 2,420,239.60 is: 3,630,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,266.80 : 12,604,900.20 = 2,420,239.60 : x
  2. Step 2: Convert to fraction form
    8,403,266.80/12,604,900.20 = 2,420,239.60/x
  3. Step 3: Cross multiply
    8,403,266.80x = 12,604,900.20 × 2,420,239.60
  4. Step 4: Simplify right side
    8,403,266.80x = 30,506,878,618,087.92
  5. Step 5: Solve for x
    x = 30,506,878,618,087.92/8,403,266.80
  6. Step 6: Final answer
    x = 3,630,359.40

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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.