Home / 12,083,908.32-18,125,370.87-2,985,776.77

Finding the Fourth Proportional to 12,083,908.32, 18,125,370.87 and 2,985,776.77

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Solution

The fourth proportional to 12,083,908.32, 18,125,370.87 and 2,985,776.77 is: 4,478,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,908.32 : 18,125,370.87 = 2,985,776.77 : x
  2. Step 2: Convert to fraction form
    12,083,908.32/18,125,370.87 = 2,985,776.77/x
  3. Step 3: Cross multiply
    12,083,908.32x = 18,125,370.87 × 2,985,776.77
  4. Step 4: Simplify right side
    12,083,908.32x = 54,118,311,291,280.70
  5. Step 5: Solve for x
    x = 54,118,311,291,280.70/12,083,908.32
  6. Step 6: Final answer
    x = 4,478,543.68

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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.