Home / 8,421,737.20-12,608,986.20-8,185,541.20

Finding the Fourth Proportional to 8,421,737.20, 12,608,986.20 and 8,185,541.20

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Solution

The fourth proportional to 8,421,737.20, 12,608,986.20 and 8,185,541.20 is: 12,255,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,737.20 : 12,608,986.20 = 8,185,541.20 : x
  2. Step 2: Convert to fraction form
    8,421,737.20/12,608,986.20 = 8,185,541.20/x
  3. Step 3: Cross multiply
    8,421,737.20x = 12,608,986.20 × 8,185,541.20
  4. Step 4: Simplify right side
    8,421,737.20x = 103,211,376,030,331.44
  5. Step 5: Solve for x
    x = 103,211,376,030,331.44/8,421,737.20
  6. Step 6: Final answer
    x = 12,255,354.64

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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.