Home / 8,201,280.80-12,301,856.40-2,136,000.80

Finding the Fourth Proportional to 8,201,280.80, 12,301,856.40 and 2,136,000.80

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Solution

The fourth proportional to 8,201,280.80, 12,301,856.40 and 2,136,000.80 is: 3,203,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,280.80 : 12,301,856.40 = 2,136,000.80 : x
  2. Step 2: Convert to fraction form
    8,201,280.80/12,301,856.40 = 2,136,000.80/x
  3. Step 3: Cross multiply
    8,201,280.80x = 12,301,856.40 × 2,136,000.80
  4. Step 4: Simplify right side
    8,201,280.80x = 26,276,775,111,885.12
  5. Step 5: Solve for x
    x = 26,276,775,111,885.12/8,201,280.80
  6. Step 6: Final answer
    x = 3,203,984.32

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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.