Home / 8,401,603.20-12,602,404.80-2,722,401.60

Finding the Fourth Proportional to 8,401,603.20, 12,602,404.80 and 2,722,401.60

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Solution

The fourth proportional to 8,401,603.20, 12,602,404.80 and 2,722,401.60 is: 4,083,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401,603.20 : 12,602,404.80 = 2,722,401.60 : x
  2. Step 2: Convert to fraction form
    8,401,603.20/12,602,404.80 = 2,722,401.60/x
  3. Step 3: Cross multiply
    8,401,603.20x = 12,602,404.80 × 2,722,401.60
  4. Step 4: Simplify right side
    8,401,603.20x = 34,308,806,991,367.68
  5. Step 5: Solve for x
    x = 34,308,806,991,367.68/8,401,603.20
  6. Step 6: Final answer
    x = 4,083,602.40

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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.