Home / 8,121,686.37-12,176,204.10-4,020,176.25

Finding the Fourth Proportional to 8,121,686.37, 12,176,204.10 and 4,020,176.25

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Solution

The fourth proportional to 8,121,686.37, 12,176,204.10 and 4,020,176.25 is: 6,027,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,686.37 : 12,176,204.10 = 4,020,176.25 : x
  2. Step 2: Convert to fraction form
    8,121,686.37/12,176,204.10 = 4,020,176.25/x
  3. Step 3: Cross multiply
    8,121,686.37x = 12,176,204.10 × 4,020,176.25
  4. Step 4: Simplify right side
    8,121,686.37x = 48,950,486,537,972.62
  5. Step 5: Solve for x
    x = 48,950,486,537,972.62/8,121,686.37
  6. Step 6: Final answer
    x = 6,027,133.32

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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.